Effective May 21, 2020, the Postal Service™ is revising Mailing Standards of the United States Postal Service, International Mail Manual (IMM®) to reflect a change to the Individual Country Listing for Canada.
In consultation with Canada Post, the Postal Service is adding a restriction to reflect that the Canadian Food Inspection Agency requires a zoo sanitary certificate for all meat-based pet food products.
Mailing Standards of the United States Postal Service, International Mail Manual (IMM)
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Individual Country Listings
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Canada
Country Conditions for Mailing
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Restrictions
[Add an entry in alphabetical order to read as follows:]
Pet food that contains biologically appropriate raw food or bones and raw food — such as heat-processed, shelf-stable pet foods, treats, and compound chews — must be accompanied by an import permit from the Canadian Food Inspection Agency and a zoo sanitary certificate from the United States Department of Agriculture (USDA) Animal and Plant Health Inspection Service (APHIS) Veterinarian Services. Attach a copy of both documents to the outside of the mailpiece for review by the Canada Border Service Agency.
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Although effective May 21, 2020, the Postal Service will incorporate this revision into the next edition of the online IMM, which is available via Postal Explorer® at pe.usps.com.
— Product Classification, Marketing, 5-21-20