ACE manifest will be rejected when the SCAC code supplied for the manifest carrier or Bill of lading Issuer is not active.

Import Manifest Ocean/Rail/Truck/QP EDI messages with inactive or invalid SCAC codes will receive one of the following

009 Invalid Carrier Code
136 Invalid Issuer Code
040 Invalid SNP

As per CBP Instruction
Ensure for the annual SCAC renewal to NMFTA. NMFTA can be contacted at customerservice@nmfta.org

With a current SCAC assignment or renewal letter, the carrier may contact amsscac@cbp.dhs.gov and/or assigned CBP client representative to report the issue, along with the exact error code received.

Import manifest AIR CAMIR – messages containing an inactive or invalid IATA/ICAO code or airwaybill prefix will receive one of the following errors and should contact their assigned CBP client representative.

021 Invalid Carrier Code
023 Invalid Air waybill number prefix