21 C.F.R. § 1.282 What must you do if information changes after you have received confirmation of a prior notice from FDA?
Title 21 - Food and Drugs
(a)(1) If any of the information required in §1.281(a) except the information required in: (i) §1.281(a)(5)(iii) (quantity), (ii) §1.281(a)(11) (anticipated arrival information), or (iii) §1.281(a)(17) (planned shipment information) changes after you receive notice that FDA has confirmed your prior notice submission for review, you must resubmit prior notice in accordance with this subpart unless the article of food will not be offered for import or imported into the United States. (2) If any of the information required in §1.281(b), except the information required in §1.281(b)(10) (the anticipated date of mailing), changes after you receive notice that FDA has confirmed your prior notice submission for review, you must resubmit prior notice in accordance with this subpart, unless the article of food will not be offered for import or imported into the United States. (b) If you submitted the prior notice via the FDA PN System Interface, you should cancel the prior notice via the FDA PN System Interface. (c) If you submitted the prior notice via ABI/ACS, you should cancel the prior notice via ACS by requesting that CBP delete the entry.
Title 21: Food and Drugs
PART 1—GENERAL ENFORCEMENT REGULATIONS
Subpart I—Prior Notice of Imported Food
Requirements To Submit Prior Notice of Imported Food
§ 1.282 What must you do if information changes after you have received confirmation of a prior notice from FDA?

