9 CFR § 124.23 - Final action on regulatory review period determination.

---
identifier: "/us/cfr/t9/s124.23"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "9 CFR § 124.23 - Final action on regulatory review period determination."
title_number: 9
title_name: "Animals and Animal Products"
section_number: "124.23"
section_name: "Final action on regulatory review period determination."
chapter_name: "ANIMAL AND PLANT HEALTH INSPECTION SERVICE, DEPARTMENT OF AGRICULTURE"
subchapter_number: "E"
subchapter_name: "VIRUSES, SERUMS, TOXINS, AND ANALOGOUS PRODUCTS; ORGANISMS AND VECTORS"
part_number: "124"
part_name: "PATENT TERM RESTORATION"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "35 U.S.C. 156; 7 CFR 2.22, 2.80, and 371.4."
regulatory_source: "58 FR 11369, Feb. 25, 1993, unless otherwise noted."
cfr_part: "124"
---


# 124.23 Final action on regulatory review period determination.

APHIS will consider its regulatory review period determination to be final upon expiration of the 180-day period for filing a due diligence petition under § 124.30 unless it receives:

(a) New information from PTO records, or APHIS records, that affects the regulatory review period determination;

(b) A request under § 124.22 for revision of the regulatory review period determination;

(c) A due diligence petition filed under § 124.30; or

(d) A request for a hearing filed under § 124.40.

[58 FR 11369, Feb. 25, 1993; 58 FR 29028, May 18, 1993]