Title 21Food and DrugsRelease 119-73

§152 Importation regulated and prohibited

Title 21 › Chapter CHAPTER 5— - VIRUSES, SERUMS, TOXINS, ANTITOXINS, AND ANALOGOUS PRODUCTS › § 152

Last updated Apr 6, 2026|Official source

Summary

You must have a permit from the Secretary of Agriculture to import viruses, serums, toxins, or similar products for use on domestic animals. If the item comes from Canada, you can instead use a Canadian certificate that the Secretary allows.

Full Legal Text

Title 21, §152

Food and Drugs — Source: USLM XML via OLRC

The importation into the United States of any virus, serum, toxin, or analogous product for use in the treatment of domestic animals, and the importation of any worthless, contaminated, dangerous, or harmful virus, serum, toxin, or analogous product for use in the treatment of domestic animals, is prohibited without (1) a permit from the Secretary of Agriculture, or (2) in the case of an article originating in Canada, such permit or, in lieu of such permit, such certification by Canada as may be prescribed by the Secretary of Agriculture.

Legislative History

Notes & Related Subsidiaries

Amendment of SectionFor termination of amendment by section 501(c) of Pub. L. 100–449, see Effective and Termination Dates of 1988 Amendment note below.

Editorial Notes

Codification See note set out under section 151 of this title.

Amendments

1988—Pub. L. 100–449 temporarily amended section generally. Prior to amendment, section read as follows: “The importation into the United States, without a permit from the Secretary of Agriculture, of any virus, serum, toxin, or analogous product for use in the treatment of domestic animals, and the importation of any worthless, contaminated, dangerous, or harmful virus, serum, toxin, or analogous product for use in the treatment of domestic animals, are prohibited.” See Effective and Termination Dates of 1988 Amendment note below.

Statutory Notes and Related Subsidiaries

Effective and Termination Dates of 1988 AmendmentAmendment by Pub. L. 100–449 effective on the date the United States-Canada Free-Trade Agreement enters into force (Jan. 1, 1989), and to cease to have effect on the date the Agreement ceases to be in force, see section 501(a), (c) of Pub. L. 100–449, set out in a note under section 2112 of Title 19, Customs Duties.

Transfer of Functions

For

Transfer of Functions

of the Secretary of Agriculture relating to agricultural import and entry inspection activities under this chapter to the Secretary of Homeland Security, and for treatment of related references, see section 231, 551(d), 552(d), and 557 of Title 6, Domestic Security, and the Department of Homeland Security Reorganization Plan of November 25, 2002, as modified, set out as a note under section 542 of Title 6.

Reference

Citations & Metadata

Citation

21 U.S.C. § 152

Title 21Food and Drugs

Last Updated

Apr 6, 2026

Release point: 119-73