CSMS # 58654146 - FDA Supplemental Guide Version 2.5.10 Now Available U.S. Customs and Border Protection sent this bulletin at 12/08/2023 11:57 AM EST Cargo Systems Messaging Service CSMS # 58654146 - FDA Supplemental Guide Version 2.5.10 Now Available FDA’s ACE Supplemental Guide (SG), version 2.5.10 has been posted on CBP.gov. This version contains the following update: Food Combined Entry & Stand Alone Prior Notice, PG02: Removed subclass ‘Y’ in Industry Code 54 from the Prior Notice logic. Refer to CSMS # 58043575 for information about the product code change.