9 CFR § 590.150 - Official plant numbers.

---
identifier: "/us/cfr/t9/s590.150"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "9 CFR § 590.150 - Official plant numbers."
title_number: 9
title_name: "Animals and Animal Products"
section_number: "590.150"
section_name: "Official plant numbers."
chapter_name: "FOOD SAFETY AND INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE"
subchapter_number: "I"
subchapter_name: "EGG PRODUCTS INSPECTION"
part_number: "590"
part_name: "INSPECTION OF EGGS AND EGG PRODUCTS (EGG PRODUCTS INSPECTION ACT)"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 1031-1056; 7 CFR 2.18, 2.53."
regulatory_source: "36 FR 9814, May 28, 1971, unless otherwise noted. Redesignated at 42 FR 32514, June 27, 1977 and 46 FR 63203, Dec. 31, 1981. Further redesignated at 63 FR 72353, Dec. 31, 1998."
cfr_part: "590"
---


# 590.150 Official plant numbers.

An official plant number shall be assigned to each plant granted inspection service. Such plant number shall be used to identify all containers of inspected products prepared in the plant which are capable of use as human food. A plant shall not have more than one plant number.