---
kind: "section"
citation: "21 C.F.R. § 165.3"
title: "21"
number: "165.3"
heading: "Definitions."
url: "https://uscodex.org/cfr/21/165.3"
---

# §165.3. Definitions.

- (a) **A <I>lot</I> is—**
  - (1) For purposes of determining quality factors related to manufacture, processing, or packing, a collection of primary containers or units of the same size, type, and style produced under conditions as nearly uniform as possible and usually designated by a common container code or marking, or in the absence of any common container code or marking, a day's production.
  - (2) For purposes of determining quality factors related to distribution and storage, a collection of primary containers or units transported, stored, or held under conditions as nearly uniform as possible.
- (b) A sample consists of 10 subsamples (consumer units), one taken from each of 10 different randomly chosen shipping cases to be representative of a given lot, unless otherwise specified in a specific standard in this part.
- (c) An analytical unit is the portion(s) of food taken from a subsample of a sample for the purpose of analysis.

## Notes

### Authority

Authority: 21 U.S.C. 321, 341, 343, 343-1, 348, 349, 371, 379e.

### Source

Source: 60 FR 57124, Nov. 13, 1995, unless otherwise noted.