ACE Export Rail X12 – Updates to Rail X12’s Input Messengers 309, 353 & 358 and Out Messengers 350 & 355 to include changes to Interchange Control & Functionality Group Headers

CSMS # 53703771 - ACE Export Rail X12 – Updates to Rail X12’s Input Messengers 309, 353 & 358 and Out Messengers 350 & 355 to include changes to Interchange Control & Functionality Group Headers U.S. Customs and Border Protection sent this bulletin at 10/20/2022 04:32 PM EDT CSMS # 53703771 - ACE Export Rail X12 – Updates to Rail X12’s Input Messengers 309, 353 & 358 and Out Messengers 350 & 355 to include changes to Interchange Control & Functionality Group Headers On October 20, 2022, U.S. Customs and Border Protection (CBP) published updates to the Rail X12 Input Messengers: 309, 353 & 358 and Output Messengers: 350 & 355. These updates are available for Testing in CERT and will be implemented into PROD on date TBD. The following changes were made to Input Messenger 309, 353 & 358: ISA07 “ Interchange ID Qualifier “- Removal of “02” and add ZZ required for both CERT & PROD ISA08 “ Interchange Receiver ID ” – Updated Production to USCXP & Testing USCXT GS03 “ Application Receiver's Code ” - Updated Production to USCXP & Testing USCXT The following changes were made to Out Messenger 350 & 355: ISA05 “ Interchange ID Qualifier “- Removal of “02” and add ZZ required for both CERT & PROD ISA06 “ Interchange Receiver ID ” – Updated Production to USCXP & Testing USCXT GS02 “ Application Receiver's Code ” - Updated Production to USCXP & Testing USCXT These IGs can be accessed under Rail X12 under the ACE Export Manifest Implementation Guides: cbp.gov/trade/ace/technical/export-manifest . Please reach out to your Client Representative if you have any technical related questions.