Instructional guide: Submitting a Notice of Objection

Health Canada – Pest Management Regulatory Agency

Document (Revision/Update) History
Updated: Update/Rationale:
January 2026 Initial publication

Instructions

Please follow these instructions/steps for submitting a Notice of Objection to Health Canada's Pest Management Regulatory Agency (PMRA). Not adhering with these steps can lead to your request not being considered by the PMRA.

1. The eligibility for consideration of your Notice of Objection is dependent on the following conditions. The Notice of Objection must:

2. When submitting the Notice of Objection, the Public Engagement Portal must be used to submit the online form and the accompanying supporting documents. The Notice of Objection is required to include the following information:

Attachment 1

A detailed objection letter that:

For example, for each objection:

Heading/Title: Area of science – e.g., Environmental Risk – Environmental Toxicology; Risk to Aquatic Invertebrates

Objection #1: Objection statement

Scientific rationale and evidence to support objection statement

Attachment 2

A summary table that clearly identifies and summarizes the area of science, objection number (this needs to correspond with how the objection is presented in the letter), and title of cited reference(s) with author and year.

For example, summary table for each objection, as identified in the letter:

Example summary table of objections
Area of science Objection Title of cited reference/author/year

Environmental Risk

  • Environmental Toxicology
  • Risk to Aquatic Invertebrates
1 Toxicological impact of [active name] on Amphibian Larvae. Smith et al (2024), pp. 45-60

Environmental Risk

  • Environmental Toxicology
  • Risks to Bees
2 Impact of [Active name] on bees. Jones et al (2021), pp. 20-45

Human Health Risk

  • Toxicology
  • Developmental Neurotoxicity
3 Developmental neurotoxicity of [name of active] following prenatal and postnatal exposure in rats. Brown et al (2022), pp. 90-115

Include electronic copies of all the references cited in the objection letter to be submitted using the e-mail address: pmra.noo-ado.arla@hc-sc.gc.ca with the subject line: 'Active Name' – 'Registration decision' (i.e., RD2025-XX).

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2026-01-26