21 CFR § 170.260 - Steps you may take before FDA responds to your GRAS notice.

---
identifier: "/us/cfr/t21/s170.260"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 170.260 - Steps you may take before FDA responds to your GRAS notice."
title_number: 21
title_name: "Food and Drugs"
section_number: "170.260"
section_name: "Steps you may take before FDA responds to your GRAS notice."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "B"
subchapter_name: "FOOD FOR HUMAN CONSUMPTION"
part_number: "170"
part_name: "FOOD ADDITIVES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321, 341, 342, 346a, 348, 371."
regulatory_source: "42 FR 14483, Mar. 15, 1977, unless otherwise noted."
cfr_part: "170"
---


# 170.260 Steps you may take before FDA responds to your GRAS notice.

(a) You may submit a timely amendment to your filed GRAS notice, to update your GRAS notice or in response to a question from us, before we respond to your notice by letter in accordance with § 170.265(b)(1) or cease to evaluate your notice in accordance with § 170.265(b)(3).

(b) At any time before we respond to your GRAS notice in accordance with § 170.265(b)(1), you may request in writing that we cease to evaluate your GRAS notice. Your request does not preclude you from submitting a future GRAS notice in accordance with this subpart with respect to the notified substance.