The Label Is the Instrument: What a Pesticide Label Legally Binds, and Who Has to Tell People When to Come Back

1. Introduction: the document nobody reads

Every article in this journal that discusses a product has been discussing a label, because the label is where the conditions of use live. It is worth one article on its own.

1.1 What this paper is and is not

A description of what the label does as a legal instrument and what it contains, aimed at anyone who applies a product or receives a treatment. It is not legal advice, it does not cover any specific product, and where a current label and this article differ, the label governs.

2. What the label actually is

The relationship between the assessment and the document.

A risk management strategy is implemented as part of the registration, re-evaluation or special review decision, and the mitigation measures are specified in the conditions of use and include directions on the legally binding label, which must be consistent with the requirements of the Pest Control Products Act.¹

2.1 The instruments involved

The framework is not a single document. The governing legislation sits alongside regulations made under it, data protection and compensation agreements, and a body of regulator guidance on registration, re-evaluation and special review.⁷

The label is where that entire apparatus terminates in something a person holds in their hand, and it is the only part of it most applicators will ever read.

2.2 The chain this describes

A scientific assessment identifies risks. A regulator selects measures to manage them. Those measures become conditions. The conditions are printed on the label. Departing from the label departs from the conditions under which the product was permitted to exist at all.

That is why label directions are not advice. They are the terms of a registration, and the product's legality is contingent on them.

2.3 What this means for everything else in this journal

Every rate, interval, site restriction and buffer zone this journal has cited from a label is a legal condition rather than a suggestion, including the pollinator buffer provisions and the bee advisory statements discussed in the pollinator article.

3. The sentence printed on every product

The standard statement, quoted from the regulation that requires it.

It is an offence under the Pest Control Products Act to use this product in a way that is inconsistent with the directions on the label.⁶

3.1 The breadth of inconsistent

Not contrary to, or in excess of. Inconsistent with, which covers using less as readily as using more, and using it somewhere the label does not name as readily as using it in a prohibited place.

Under-application is a live issue in this journal, which has documented sub-lethal dosing as a route to resistance in several organisms. It is also a departure from the directions.

4. What the Act provides

The consequence, from the statute.

A person guilty of an offence is liable on summary conviction, to a fine of not more than $200,000 or to imprisonment for a term of not more than six months, or to both, or on conviction on indictment, to a fine of not more than $500,000 or to imprisonment for a term of not more than three years, or to both.²

4.1 The two routes

Summary conviction is the less serious procedure and indictment the more serious, with the prosecution choosing between them for offences that permit either.

5. Reading the penalty structure

What the numbers indicate about how the legislature regarded this.

Half a million dollars and three years is not a regulatory fee. It is a penalty range that contemplates imprisonment for misuse of a registered product.

5.1 Why the ceiling is set where it is

A penalty range signals what the legislature thought the worst case could look like. Products capable of serious harm, applied in places people live, by people licensed on the basis that they will follow conditions.

Most of the offences in a statute like this will never approach the maximum. The maximum exists for the case where they should.

5.2 The word that matters is both

Each limb ends with or to both.² The fine is not an alternative to imprisonment; they are available together.

5.3 What we are not saying

That ordinary label departures result in prosecution, which we have no evidence about and §22 records as a gap. Maximum penalties describe the ceiling of legislative intent rather than the distribution of actual outcomes.

What they establish is the category. This is not a consumer protection matter about product performance; it is treated as an offence with a custodial maximum.

6. What the label fixes

The scope of what is being made binding.

Conditions and restrictions specified on the label include domestic, commercial, or restricted categorization, which may include a permit requirement under provincial or other federal legislation; use conditions and restrictions; measures to protect users and the environment; restricted-entry and pre-harvest intervals; and buffer zones.¹

The available options include restrictions on classification of use, use conditions including use quantities, application rates, timing and frequency of application, pre-harvest intervals and restricted-entry intervals, crops or other areas where it can be used, being the use site, and buffer zones and other mitigative measures to protect sensitive environments and particularly vulnerable plant and animal species.¹

6.1 The two that get overlooked

Use site and application rate. Both are easy to treat as guidance and both are in the list of conditions, which §7 and §8 take separately.

7. Use site is a condition

The provision that determines whether a product may be used at all in a given place.

The directions for use section indicates where the pesticide can be used, what crops or animals it can be used on, the pests it controls, timing and rate of application, mixing instructions, compatibility, and restrictions.⁴

7.1 Why this is the most common exposure

A product effective against a pest is not thereby permitted against that pest everywhere. A formulation registered for outdoor perimeter use is not authorised indoors because it would work indoors.

This journal's article on substrate and formulation described products behaving differently on different surfaces, and its pollinator article described the regulatory distinction between indoor and outdoor use turning on exposure potential. Both of those distinctions appear on labels as use site restrictions, and both are binding.

7.2 The distinction from ordinary product rules

Most products carry instructions that exist to make them work. Label site restrictions exist because the assessment that permitted the product examined particular exposure scenarios and not others.

A product assessed for outdoor perimeter use was evaluated against outdoor exposure. Nobody calculated what happens when it is applied to an occupied bedroom, which is why using it there is not merely a breach of a rule but a use outside the evidence the approval rests on.

7.3 The target pest is part of it

The pests it controls is listed alongside the site.⁴ A product is registered against named pests, and applying it to an organism it is not registered for is a departure even where it would be effective.

8. Rate is a condition

The provision most often treated as a range.

Directions for use must be followed exactly, and failure to follow them could cause crop damage, poor pest control, danger to health, damage to environment or confiscation of a crop due to excess pesticide residues.⁴

8.1 Both directions matter

Exceeding the rate is the intuitive offence. The list above puts poor pest control alongside the others as a consequence of not following directions, which points at the other error.⁴

An under-dosed application is a departure from the conditions, is less likely to work, and is the mechanism this journal identified for selecting resistance in cockroaches, bed bugs and rodents. The legal and the technical objections agree.

9. The anatomy of the document

What is physically on a label, for anyone who has not looked closely.

9.1 Why the order matters

The document is not arranged for a technician's workflow. Marketing material and the product name occupy the front; the conditions that determine whether a use is lawful are further in, often in small type on a folded insert.

That is a design consequence of the label being simultaneously packaging and a legal instrument, and it is a large part of why the document goes unread.

9.2 The sections

Provincial guidance describes the sections as including the registration number, the registrant's name and address, the guarantee, net contents in metric units, precautionary shapes, symbols and signal words showing the main type of danger and degree of danger associated with the product, and the directions for use.⁴

10. The guarantee and what it tells you

The section that identifies what is actually in the container.

The guarantee states the common name of the active ingredient or ingredients in the product, the active ingredient being the part of the pesticide product that controls the pest, and shows how much active ingredient is in the product, expressed either as weight per volume, for instance 500 grams per litre, or as a percentage by weight, for instance 40 per cent.⁴

10.1 Why this is the most useful section for a technician

Because it is what allows a product to be placed in a chemical class, and the class is what determines resistance risk.

This journal has argued repeatedly that rotating between products with the same mode of action achieves nothing. The guarantee is where you find out whether two products are actually different, and trade names tell you nothing about it.

10.2 What it does not tell you

The guarantee names the active ingredient. It does not describe the formulation, and this journal's article on substrate and residual efficacy found that the same active in different formulations performed differently on the same surface.

So two products with identical guarantees are not interchangeable, and a technician comparing them needs the formulation type as well as the active. That information is elsewhere on the container rather than in this section.

10.3 The units point

Two products at the same trade concentration may not carry the same amount of active ingredient if one is expressed by volume and the other by weight. Comparing them requires reading which convention each uses.

11. Classes of use

Who may buy and apply what.

Restricted products can only be used by certified pesticide applicators, have special restrictions on the labels and are more hazardous than the other classifications. Manufacturing products are used by companies that manufacture or formulate pesticides and are not available otherwise.⁴

The classification may include a permit requirement under provincial or other federal legislation.¹

11.1 What the class signals

Restricted classification is a statement that the assessment found hazards requiring the applier to be trained and accountable, rather than a statement that the product is stronger.

Domestic class products are not thereby safe. They are products the assessment concluded could be used within acceptable limits by an untrained person following the directions, which is a judgement about the whole package rather than about toxicity alone. This journal's consumer products article found several domestic-class items performing poorly, and none of that bears on the classification.

11.2 Where the federal and provincial layers meet

The class is set federally through registration. Certification and permitting sit provincially, which is why a class on a label can trigger a requirement under a different statute entirely.

This journal's article on cosmetic pesticide policy dealt with the same division of authority from the other end: provinces restricting uses of products the federal regulator has registered.

12. The registration number test

A practical check worth knowing.

The registration number appears as Registration Number 00,000 Pest Control Products Act and shows the product can be used in Canada. By contrast, American products have an EPA number, and pesticides with EPA numbers are not allowed to be used in Canada.⁴

12.1 Why this matters beyond the technical

Products cross the border in private hands easily, and a product that is entirely legal and correctly labelled in one country is unregistered in the other.

The number is the fastest available test of whether a container in front of you may lawfully be used here, and it requires no knowledge of the chemistry.

12.2 Why an equivalent product is still not permitted

An active ingredient approved in both countries may be sold in each under different formulations, concentrations, use sites and conditions, because each regulator assessed its own submission.

So the objection is not that the foreign product is unsafe. It is that the conditions under which it was permitted were written by a different authority for a different set of uses, and none of them apply here. That reasoning is ours.

12.3 The labelling of imported product

Regulations were amended on the basis that storing a foreign product without the approved foreign use label can result in unsafe or improper handling or use, that label being equivalent to the label approved by the regulator for the equivalent Canadian-registered product and bearing the relevant handling, safety and use information.⁶

13. The two entry intervals

A distinction that causes genuine confusion, including among practitioners.

The restricted-entry interval is the period of time following a pest control product application during which workers must not enter the treatment area, allowing residue and vapours to dissipate from the treatment location and preventing inadvertent exposure.⁵ It is also described as the period of time you must not do hand labour in treated areas.⁸

13.1 Why two terms exist at all

They address different exposures. A worker returning to a treated field contacts foliage repeatedly for hours while doing hand labour, which is a dermal exposure scenario driven by contact time.

A resident returning to a treated apartment is exposed by proximity, by surfaces, and by whatever remains airborne, for as long as they live there. The second is not a more intense version of the first; it is a different scenario, and it is why the indoor term restricts entry rather than work.

13.2 The agricultural default

If the restricted entry interval is not stated on the label for agricultural crops, assume that the REI is 12 hours.⁵

That default is specific to agricultural crops and should not be read across to structural work. A structural label that is silent does not thereby carry a twelve hour interval, and §17 gives the rule that actually applies when a label is unclear.

14. Re-entry is the structural one

The provision that governs this trade.

The re-entry interval is the period during which no one, including workers, should enter a site that has been treated with pesticides, and this term is usually used for pesticides applied indoors, such as for pest control in buildings, industrial uses, and household pesticides, and for pesticide use on turf.³

14.1 The difference that matters

The agricultural interval restricts hand labour by workers. The re-entry interval restricts no one, including workers, from entering at all.³

In an occupied building the people affected are residents, including children and anyone whose circumstances make them less able to follow an instruction, rather than a workforce under supervision. The broader restriction fits the setting.

14.2 Compliance is a legal requirement

Complying with re-entry and restricted-entry intervals is a legal requirement under the Pest Control Products Act and an essential part of pesticide safety.³

15. The examples given

What these provisions look like in practice, quoted from official guidance.

Do not enter until residues have dried.

Do not enter or allow entry into treated areas for 2 hours following application. The commercial applicator is responsible for notifying workers, homeowners, and others of the re-entry interval requirement.³

15.1 The first example is a condition, not a description

Until residues have dried is a state rather than a duration, which means drying time is the governing variable and it changes with temperature, humidity, ventilation and surface.

This journal's article on substrate and formulation found porous surfaces behaving differently from non-porous ones, and a slow-drying application on a cold surface carries a longer interval than the same product elsewhere. That is not a judgement call; it is what the condition says.

15.2 Which is why the first example is harder to comply with

A two hour interval can be written on a notice with a time on it. Until residues have dried requires somebody to determine when that happened, and the person best placed to judge it has usually left.

We would treat a drying condition as requiring a conservative estimate communicated as a clock time, rather than an instruction the occupant is expected to assess. That is our practice view and not a sourced requirement.

15.3 The second example does two things

It sets a duration and it allocates a duty, and the second half is the part §16 is about.

16. Who must do the telling

The allocation of responsibility, which is the most practically important provision in this article.

The commercial applicator is responsible for notifying workers, homeowners, and others of the re-entry interval requirement.³ More generally, the applicator may be required to inform people who may enter a treated area when it is safe to do so, either verbally or in writing, such as through posted signage.³

16.1 Why the direction of the duty matters

It does not rest with the occupant to ask, or with a landlord to pass it on. Where the label says so, it rests with the applicator.

And the people to be told are named broadly: workers, homeowners, and others.³ In an apartment building the others plausibly include people who were not present, which makes signage the practical mechanism rather than a conversation.

16.2 The practical difficulty in multi-unit housing

An apartment treatment affects a unit whose occupants may be at work, and common areas used by people who were never told a treatment was happening.

Telling the person who opened the door discharges the duty to one of the named categories. The others are the ones signage exists for, and this journal's article on why treatment fails in attached housing described the same population being missed for a different reason.

16.3 The connection to the rest of this journal

Our article on Manitoba rental pest responsibility found a policy allocating duties between landlord and tenant. This is a third duty, allocated by the label to a party outside that relationship, and it does not transfer by agreement between the other two.

16.4 What we would take from it

That the notification is part of the job rather than a courtesy, and that doing it in writing is the version that can be demonstrated afterwards. That last point is ours.

17. The rule when the label is unclear

Official guidance for the case where a practitioner cannot tell which interval applies.

If you have difficulty distinguishing between the re-entry interval and the restricted-entry interval information on a label, remember that no one should enter a treated site until the waiting period has expired, regardless of how it is described. Where the label provides information for the return of workers, it will include instructions specifically applicable to them.³

17.1 Why the ambiguity arises

Because a single label may carry both, written for a product used across agricultural and non-agricultural settings, and because the two terms are near-identical in wording while differing in who they restrict.

A practitioner reading quickly can easily take an agricultural provision about hand labour as the governing rule for an apartment, which would permit entry the indoor provision prohibits.

17.2 The structure of that advice

Resolve ambiguity toward the more restrictive reading. Nobody enters until the period has expired.

It is an unusually clear piece of regulatory guidance, because it tells a practitioner what to do in the situation where they do not know what to do.

18. The protective equipment provision

The provision aimed at the applicator rather than the occupant.

Personal protective equipment is safety gear that must be worn by people who handle, transport, apply or dispose of pest control products, or sometimes, by people who must enter treated fields, with examples including long sleeve shirts, pants, chemical resistant gloves, respirators, eye protection and others. This equipment must be worn as specified on the label.⁵

18.1 The category of person it also covers

The definition extends to people who must enter treated fields in some cases.⁵ So protective equipment is not exclusively an applicator matter; a label can require it of someone entering afterwards.

In a structural setting the equivalent would be anyone required to work in a treated space before an interval expires, which is a situation better avoided than equipped for.

18.2 Handle, transport, apply or dispose

Four activities, only one of which is application. The requirement attaches to moving the product and to getting rid of it as well as to using it.

18.3 The uncomfortable connection

This journal's article on applicator exposure reported a toxicokinetic analysis in which the dermal route could not reproduce observed metabolite peaks and inadvertent oral exposure gave the best fit, alongside measurements of chemical penetrating gloves within an hour.

Label PPE is a minimum specified condition rather than a demonstrated sufficiency. Meeting it is required; assuming it eliminates exposure is not supported by that literature.

19. Labels change

A short provision with large consequences.

Users must follow the instructions on the most up-to-date labels.³

19.1 Why this is harder than it sounds

Labels are revised through re-evaluation and special review decisions,¹ which means the conditions attached to a familiar product can change while the container in the van looks identical.

A practitioner who learned a product years ago and has not re-read it since may be operating under superseded conditions, and the obligation is framed as following the current label rather than the one that arrived with the stock.

19.2 Why revisions happen

Re-evaluation and special review are the mechanisms by which a registration is revisited after approval, and their outputs feed back into the conditions.¹

This journal's article on the pollinator provisions described a bee advisory box being added to neonicotinoid labels, and its rodenticide articles described concentration limits and outdoor use approvals changing. Each of those is a label revision, and each changed what an applicator was permitted to do without changing the product in the container.

19.3 What follows for a company

That label review has to be a recurring task rather than a one-time one. We would treat it the same way this journal treated the second flea or lice treatment: something that has to be scheduled, because nothing in the environment prompts it.

20. Who enforces it

The compliance function, named.

The federal Pesticide Compliance Program is responsible for promoting, monitoring, and enforcing the Pest Control Products Act, and inspectors verify that pesticide use complies with all label directions, including restricted-entry interval and re-entry intervals.³

20.1 The detail worth noting

Entry intervals are named specifically as something inspectors verify. Of all the conditions on a label, that is the one identified in this guidance as an enforcement focus.

20.2 What is verifiable after the fact

An interval is unusual among label conditions in that it leaves evidence. Whether a rate was measured correctly is difficult to reconstruct a week later; whether a notice was given and what it said is not.

We would expect that to be part of why it is the named focus, and it is another reason to put the notification in writing. That inference is ours.

21. The Manitoba layer

What sits above the federal framework locally.

Registration and label conditions are federal. Applicator certification and licensing, and any permit triggered by a restricted classification, sit provincially, as the classification provision itself anticipates.¹

21.1 Why two layers exist

The federal authority decides what may exist and on what conditions. The provincial authority decides who may apply it and under what licence, because occupational regulation and licensing are provincial matters.

A practitioner is therefore accountable to two regimes at once, and compliance with one does not establish compliance with the other. A correctly applied product used by an unlicensed person is still a problem, and a licensed person departing from a label is still committing a federal offence.

21.2 What we can state

That this company holds a Manitoba pesticide applicator licence in the structural category, and that the federal label conditions described here apply to work done under it.

21.3 What we cannot state

The specific content of Manitoba's provincial requirements, which we have not sourced for this article and which anyone relying on should obtain from the province directly rather than from us. Section 22 records that as a limitation.

22. Limitations and open questions

This is not legal advice. Stated in §1.1. Any specific question about compliance should go to the regulator or to counsel, and the current label governs over anything here.

We have quoted the Act through a consolidated text. The penalty provisions come from an online consolidation rather than from a certified copy, and the specific offences to which those penalties attach are broader than label misuse alone.²

No enforcement data. We found no figures on prosecutions, typical penalties imposed, or how often label departures are detected, which is the question §5.2 flags and the most useful thing a practitioner could know.

Much of the guidance is agricultural. The provincial sources are written for crop production, and we have been careful to separate the agricultural restricted-entry interval from the structural re-entry interval in §13 and §14.⁵⁸

The label anatomy source is one province. Label content requirements are federal, but we have described them through provincial guidance material.⁴

No Manitoba provincial content. Stated in §21.2.

Sections 3.1, 8.1, 10.1, 12.1, 15.1, 16.3, 18.2 and 19.2 are our reasoning. The reading of inconsistent as covering under-application, the connection between rate and resistance, the use of the guarantee for mode-of-action comparison, the border-product test, the drying-time argument, the written-notification preference, the PPE sufficiency point and the scheduled-review recommendation are ours rather than sourced positions.

Our commercial position. This article describes obligations that bind us. It argues that notification is part of the job, that under-application is a departure as much as over-application, and that label review is a recurring duty, all of which are costs to a company rather than selling points.

23. Conclusion

A pesticide label is the document through which a regulator's risk assessment becomes conditions of registration, and any use in contravention of it is illegal under the Act.¹ Every product carries a statement saying so, and conviction can carry two hundred thousand dollars and six months on summary conviction, or five hundred thousand and three years on indictment, in each case a fine or imprisonment or both.⁶²

What it binds is wider than most people assume. Class of use, application rate, timing and frequency, the sites where the product may be used at all, protective equipment, buffer zones and entry intervals are conditions rather than recommendations.¹⁴ Directions for use must be followed exactly, and the listed consequences of not following them include poor pest control alongside the health and environmental ones, which is the regulator observing that under-dosing is also a failure.⁴

For this trade the provision that matters most is the shortest. The re-entry interval is the indoor term, it excludes everyone rather than restricting workers, and the commercial applicator is responsible for telling workers, homeowners and others when the period has passed.³ Which means the last obligation of a treatment is not putting the equipment away. It is making sure the people who live there know when they can go home, and writing it down.

References

1. Framework for risk assessment and risk management of pest control products: PMRA guidance document. Health Canada, Pest Management Regulatory Agency. Principal regulatory source. Used for the statements that the selected risk management strategy is implemented as part of the registration, re-evaluation or special review decision; that the agency specifies pesticide registration conditions which include use directions on the legally binding label; that any use in contravention of the label or other specified conditions is illegal under the Pest Control Products Act; that most pesticides require very specific measures on how the product can be used safely; that conditions and restrictions specified on the label include domestic, commercial or restricted categorization which may include a permit requirement under provincial or other federal legislation, use conditions and restrictions, measures to protect users and the environment, restricted-entry and pre-harvest intervals, and buffer zones; and that available risk mitigation options include restrictions on classification of use, use conditions including use quantities, application rates, timing and frequency of application, pre-harvest intervals and restricted-entry intervals, the crops or other areas where a product can be used being the use site, and buffer zones and other mitigative measures to protect sensitive environments and particularly vulnerable plant and animal species, along with required changes to the product such as changes to the formulation. https://www.canada.ca/en/health-canada/services/consumer-product-safety/reports-publications/pesticides-pest-management/policies-guidelines/risk-management-pest-control-products.html
2. Pest Control Products Act, S.C. 2002, c. 28. Consolidated statute, Justice Canada. Used for the penalty provisions, that a person guilty of an offence is liable on summary conviction to a fine of not more than $200,000 or to imprisonment for a term of not more than six months, or to both, or on conviction on indictment to a fine of not more than $500,000 or to imprisonment for a term of not more than three years, or to both; and for the provision that a person who does not comply with specified conditions or requirements imposed under the Act is guilty of an offence. https://laws-lois.justice.gc.ca/eng/acts/p-9.01/fulltext.html
3. For everyone's safety, be patient after pesticides have been applied. Health Canada publication. Principal source for the entry interval provisions. Used for the statements that complying with re-entry and restricted-entry intervals is a legal requirement under the Pest Control Products Act and an essential part of pesticide safety; that the re-entry interval is the period during which no one, including workers, should enter a site that has been treated with pesticides; that the applicator may be required to inform people who may enter a treated area when it is safe to do so, either verbally or in writing such as through posted signage; that this term is usually used for pesticides applied indoors, such as for pest control in buildings, industrial uses and household pesticides, and for pesticide use on turf; for the example re-entry interval statements that one should not enter until residues have dried, and that one should not enter or allow entry into treated areas for two hours following application, with the commercial applicator responsible for notifying workers, homeowners and others of the re-entry interval requirement; for the guidance that where there is difficulty distinguishing between the re-entry interval and the restricted-entry interval, no one should enter a treated site until the waiting period has expired regardless of how it is described, and that where a label provides information for the return of workers it will include instructions specifically applicable to them; for the statement that users must follow the instructions on the most up-to-date labels and that using a pesticide contrary to the label directions is a violation of the Act; and for the description of the Pesticide Compliance Program as responsible for promoting, monitoring and enforcing the Act, with inspectors verifying that pesticide use complies with all label directions including restricted-entry and re-entry intervals. https://www.canada.ca/en/health-canada/services/publications/product-safety/everyone-safety-patient-after-pesticides-applied.html
4. Pesticide labels. Province of British Columbia. Provincial guidance describing federal label content. Used for the description of the registration number as appearing in the form Registration Number followed by digits and the words Pest Control Products Act, showing the product can be used in Canada; for the statement that American products have an EPA number and that pesticides with EPA numbers are not allowed to be used in Canada; for the identification of the pesticide company name and address as the registrant; for the description of the directions for use section as stating how to use the pesticide, which must be followed exactly, with failure to follow directions capable of causing crop damage, poor pest control, danger to health, damage to environment or confiscation of a crop due to excess residues, and as indicating where the pesticide can be used, what crops or animals it can be used on, the pests it controls, timing and rate of application, mixing instructions, compatibility and restrictions including pre-harvest intervals, grazing restrictions, pre-slaughter intervals and re-entry intervals; for the statement that restricted products can only be used by certified pesticide applicators, carry special restrictions on their labels and are more hazardous than other classifications, while manufacturing products are used by companies that manufacture or formulate pesticides; for the description of net contents in metric units and of precautionary shapes, symbols and signal words showing the main type and degree of danger; and for the description of the guarantee as stating the common name of the active ingredient, that ingredient being the part of the product that controls the pest, and how much is in the product, shown either as weight per volume or as a percentage by weight. https://www2.gov.bc.ca/gov/content/industry/agriculture-seafood/animals-and-crops/plant-health/pesticides-agriculture/pesticide-labels/pesticide-labels
5. Pest Control Products for Specialty Crops. Ontario Ministry of Agriculture, Food and Rural Affairs. Provincial agricultural guidance. Used for the definition of personal protective equipment as safety gear that must be worn by people who handle, transport, apply or dispose of pest control products, or sometimes by people who must enter treated fields, with examples including long sleeve shirts, pants, chemical resistant gloves, respirators and eye protection, and for the statement that this equipment must be worn as specified on the label; for the definition of the restricted entry interval as the period of time following application during which workers must not enter the treatment area, allowing residue and vapours to dissipate and preventing inadvertent exposure; for the statement that the regulator reviews each product to determine whether the label should include a specific restricted entry interval; and for the guidance that if the restricted entry interval is not stated on the label for agricultural crops, it should be assumed to be 12 hours. https://www.omafra.gov.on.ca/CropOp/en/general_agronomics/pest_management/pest_control_products.html
6. Regulations Amending the Pest Control Products Regulations (Statement, Notice and Conditional Registration). Canada Gazette, Part II, 31 May 2017. Used for the prescribed label statement that it is an offence under the Pest Control Products Act to use the product in a way that is inconsistent with the directions on the label; for the account of the amendments, including changing the term guarantee to active ingredient and removing the last sentence of the notice to users; for the statement that the Regulations require labels to include a notice to user concerning assumption of risk; and for the rationale that storing a foreign product without the approved foreign use label, which is equivalent to the label approved by the regulator for the equivalent Canadian-registered product and bears the relevant handling, safety and use information, can result in unsafe or improper handling or use. http://www.gazette.gc.ca/rp-pr/p2/2017/2017-05-31/html/sor-dors91-eng.php
7. Pest control products (pesticides) acts and regulations. Health Canada. Index of the governing legislation, regulations, agreements and guidance documents, consulted to establish the regulatory instruments in force and their relationship to one another. https://www.canada.ca/en/health-canada/services/consumer-product-safety/pesticides-pest-management/public/protecting-your-health-environment/pest-control-products-acts-and-regulations-en.html
8. Stay safe when using pesticides. Health Canada publication. Used for the definition of the restricted-entry interval as the period of time during which hand labour must not be done in treated areas after an application, for the corresponding definition of the pre-harvest interval, for the statement that complying with these directions is a legal requirement, and for the direction to stay out of areas where pesticides have been sprayed until told it is safe to enter. https://www.canada.ca/content/dam/hc-sc/documents/services/publications/product-safety/stay-safe-using-pesticides/stay-safe-using-pesticides.pdf