6 C.F.R. § 5.12
(b) Notice to business submitters of FOIA requests for disclosure. Except as provided in paragraph (b)(2) of this section, CBP will provide business submitters with prompt written notice of receipt of FOIA requests or appeals that encompass their commercial information. The written notice will describe either the exact nature of the commercial information requested, or enclose copies of the records or those portions of the records that contain the commercial information. The written notice also will advise the business submitter of its right to file a disclosure objection statement as provided under paragraph (c)(1) of this section. CBP will provide notice to business submitters of FOIA requests for the business submitter's commercial information for a period of not more than 10 years after the date the business submitter provides CBP with the information, unless the business submitter requests, and provides acceptable justification for, a specific notice period of greater duration.
(1) When notice is required. CBP will provide business submitters with notice of receipt of a FOIA request or appeal whenever:
(2) When notice is not required. The notice requirements of this section will not apply if: