CBP corrects CSMS # 69941677, updating Section 338 exemption HTS to 9903.03.15 in ACE CATAIR Error Dictionary V53

CBP states in CSMS # 69941677 that it corrects CSMS 69915227 by updating the applicable HTS number to 9903.03.15 in the ACE CATAIR Entry Summary Error Dictionary V53, which was posted under the Supporting Documents: Documentation for Entry Summary Chapters section on CBP.gov. The update adds error F884, EXEMPT HTS NOT ALLOWED FOR SECTION 338: use of exemption HTS 9903.03.15 for S338 is not allowed because no appropriate dutiable Chapter 99 HTS is reported on the line. The update was deployed to the CERTIFICATION (CERT) and PRODUCTION (PROD) environments on August 26, 2026.