Exemptions for confidential business information for workplace hazardous products: Filing a claim

On this page

Online application form

To file a claim for exemption under the Hazardous Materials Information Review Act:

  1. Complete and submit the claim for exemption online application form
    • Attach the required documents associated with your claim to your submission, including:
      • safety data sheets (SDSs)
      • labels, if applicable
      • any other documents related to your claim

    Application form: Claim for exemption under the Hazardous Materials Review Act

  2. If your documents exceed the size limit of the online form or if we request additional information, submit these additional documents using the transport form

    Transport form for submitting additional documents to Health Canada

  3. Refer to the guide for using the claim for exemption online application form for helpful tips and information about the application process

    Guide for using the claim for exemption online application form for workplace hazardous products

After receiving your application, we will review it and register your claim if it meets the filing requirements, including receipt of payment. Next, we will assess the validity of your claim according to the criteria outlined in section 3 of the Hazardous Materials Information Review Regulations.

Contact us for a link to a recorded a webinar that offers a step-by-step tutorial for completing the online application form.

Email: whmis.claim-demande.simdut@hc-sc.gc.ca

Learn more about:

Browser requirements

To use the online application form you must be connected to the internet with a browser such as:


If you want to continue protecting your CBI beyond the 3-year exemption period, you may refile for another exemption before your original exemption expires.

To refile, you must follow the same steps as when you filed your original claim but select "refile" on the online application form. You must attach the most recent product SDS (and label, if applicable) to your claim. If there are changes to product composition, we may ask you to re-submit your application as a "new" claim.

If your claim meets all filing requirements, including receipt of payment, we will issue a new registry number that you must display on your SDS (and label, if applicable). You may not re-use the registry number from your original exemption.

You do not have to re-file if you have decided to:


All claims are subject to a fee, as prescribed in sections 4, 5 and 7 of the Hazardous Materials Information Review Regulations.

Fees are subject to an annual adjustment in accordance with the Service Fees Act. On April 1 of each calendar year, fees are adjusted using the April All-items Consumer Price Index for Canada, as published by Statistics Canada for the previous fiscal year.

Table: Summary of the annual adjusted fees
Claim type Number of claims
(filed at one time)
2023-2024 Fee amount
(per claim)
2024-2025 Adjusted fee amount
(per claim)
Small business
2023-2024 Fee amount
(per claim)
2024-2025 Adjusted fee amount 
(per claim)
Original 1 to 15 $ 2067.98 $ 2158.97 $ 1033.99 $ 1079.49
16 to 25 $ 459.56 $ 479.78 $ 229.78 $ 239.89
26 and above $ 229.77 $ 239.88 $ 114.89 $ 119.94
Refile 1 to 15 $ 1654.39 $ 1727.18 $ 827.20 $ 863.59
16 to 25 $ 367.64 $ 383.82 $ 183.82 $ 191.91
26 and above $ 183.82 $ 191.91 $ 91.91 $ 95.96


Fee adjustment is based on the CPI, + 4.4%.
Small businesses pay half the regular rate if they:

  • Had a gross annual revenue of $3 million or less in the claimant’s fiscal year immediately preceding the fiscal year in which the claim is filed and
  • Employ 100 employees or fewer


You must complete payment within 30 days of receiving an invoice number. An invoice number and a valid Health Canada customer number are required to process your payment.

Contact us if you did not receive an invoice number for your claim.

Email: whmis.claim-demande.simdut@hc-sc.gc.ca

Contact Accounts Receivable if you need a Health Canada customer number or require assistance making a payment.

Email: ar-cr@hc-sc.gc.ca

Telephone: 1-800-815-0506

Payment options

All payments must be made in Canadian dollars.

1. Online credit card payment

Access the Common Online Payment System to submit payment by credit card.

2. Cheque, money order or bank draft

Payments must be made payable to the "Receiver General for Canada".

Include your Health Canada customer number and invoice number(s) with your payment.

We will return your payment if it doesn't have required information.

Send your payment to:

Health Canada
Accounts Receivable, P/L 1918B
18th Floor, Room 1804B
161 Goldenrod Driveway, Tunney's Pasture
Ottawa, ON K1A 0K9

3. Wire transfer

Payments must be made in Canadian dollars to:

Wire transfer
Bank name:
Fédération des caisses Desjardins du Québec
1 Complexe Desjardins, South Tower, 15th floor
Montréal, QC H5B 1B3
Bank number:
Transit number:
Routing number:
Beneficiary name:
022-25631 - Health
Beneficiary account number:
Charges field:
Description field:
(Include your Health Canada customer number and invoice number(s))
  • Ensure your payment covers all service charges, including fees charged by your bank or any intermediary banks
  • Any payments sent in non-Canadian funds will be rejected
  • If you have problems with the transaction, contact the Fédération des caisses Desjardins du Québec at 1-866-866-7000
  • You must email proof of your wire transfer payment to ar-cr@hc-sc.gc.ca and include your customer and invoice number(s)

Page details

Date modified: