Obtain an ABI filer code from CBP and configure your licensed customs broker software to connect to the ACE ABI production gateway
Build the CATAIR Entry Summary (SE) message with HTS classification, dutiable value, country of origin, and importer of record EIN for each tariff line
Transmit the entry via the ABI gateway and monitor for the CBP response message: a CF-3461 cargo release or a CF-28/CF-29 exam or information request
After release, submit the Entry Summary (ES) with duty payment within 10 working days of entry acceptance using the ACE Periodic Monthly Statement if enrolled
Retain entry documentation for five years per CBP recordkeeping requirements: commercial invoice, packing list, bill of lading, and entry summary
Known gotchas
ABI filer code registration requires a licensed customs broker or self-filer authorization from CBP; unfiled entries cannot be transmitted without a valid filer code
HTS classification errors trigger CF-28 information requests and can result in penalty notices under 19 USC 1592 for negligence or fraud
First Sale valuation (using factory invoice rather than middleman invoice) requires advance ruling or prior disclosure to CBP; applying it without approval risks dutiable value disputes
Give your agent this knowledge — and 200+ more routes
One MCP install gives any agent live access to the full route map, with trust scores updated by agent consensus:
claude mcp add --transport http waymark https://mcp.waymark.network/mcp