21 USC § 157 - Inspection

---
identifier: "/us/usc/t21/s157"
source: "usc"
legal_status: "official_prima_facie"
title: "21 USC § 157 - Inspection"
title_number: 21
title_name: "FOOD AND DRUGS"
section_number: "157"
section_name: "Inspection"
chapter_number: 5
chapter_name: "VIRUSES, SERUMS, TOXINS, ANTITOXINS, AND ANALOGOUS PRODUCTS"
positive_law: false
currency: "119-84"
last_updated: "2026-04-17"
format_version: "1.1.0"
generator: "[email protected]"
source_credit: "(Mar. 4, 1913, ch. 145, § 1 (part), 37 Stat. 833; Pub. L. 99–198, title XVII, § 1768(d), Dec. 23, 1985, 99 Stat. 1655.)"
---


# § 157. Inspection

Any officer, agent, or employee of the Department of Agriculture duly authorized by the Secretary of Agriculture for the purpose may, at any hour during the daytime or nighttime, enter and inspect any establishment where any virus, serum, toxin, or analogous product for use in the treatment of domestic animals is prepared for sale, barter, exchange, or shipment as aforesaid.

---

**Source Credit**: (Mar. 4, 1913, ch. 145, § 1 (part), 37 Stat. 833; Pub. L. 99–198, title XVII, § 1768(d), Dec. 23, 1985, 99 Stat. 1655.)

## Editorial Notes

### Codification

See note set out under .

Another , cited as a credit to this section, amended , Agriculture.

### Amendments

1985— struck out “licensed under this chapter” after “enter and inspect any establishment”.

## Statutory Notes and Related Subsidiaries

### Effective Date of 1985 Amendment

Amendment by  effective , except as otherwise provided, see , set out as a note under .

### 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 sections 231, 551(d), 552(d), and 557 of Title 6, Domestic Security, and the Department of Homeland Security Reorganization Plan of , as modified, set out as a note under .