7 CFR § 91.19 - General requirements of suitable samples.

---
identifier: "/us/cfr/t7/s91.19"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "7 CFR § 91.19 - General requirements of suitable samples."
title_number: 7
title_name: "Agriculture"
section_number: "91.19"
section_name: "General requirements of suitable samples."
chapter_name: "AGRICULTURAL MARKETING SERVICE (STANDARDS, INSPECTIONS, MARKETING PRACTICES), DEPARTMENT OF AGRICULTURE"
subchapter_number: "E"
subchapter_name: "COMMODITY LABORATORY TESTING PROGRAMS"
part_number: "91"
part_name: "SERVICES AND GENERAL INFORMATION"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "7 U.S.C. 1622, 1624."
regulatory_source: "58 FR 42415, Aug. 9, 1993, unless otherwise noted."
cfr_part: "91"
---


# 91.19 General requirements of suitable samples.

(a) Samples must be representative of the product tested and provided in sufficient quantity for the analyses requested.

(b) Each sample must be identified with the following information:

(1) Product type (specific description);

(2) Lot number or production date;

(3) Analyses desired;

(4) Date/time collected;

(5) Storage conditions prior to shipping;

(6) Name of applicant;

(7) Name of sampler;

(8) Any other information which is required by the specific program under which analysis or test is performed.