FIRMS code

SAO0 Duty Free City USA LLC

Deleted Bonded warehouse

This code is deleted in CBP's FIRMS list. Don't use it on new filings. FIRMSapi keeps deleted codes so lookups of old paperwork still resolve; check the port listing for a replacement.

Facility details

FIRMS code: SAO0
Name: Duty Free City USA LLC
Address: 1103 Grant St
Laredo, TX 78040-5805
Status: Deleted (D)
Facility type: Bonded warehouse (04)
CBP port: Laredo, TX (2304)
CBP region: 6
Last changed: 2026-10-23
Data as of: 2026-10-23

Pre-filing validation

Validate SAO0 before you file

Validation fails SAO0: it's deleted, the reject ACE returns as 159. Search the port for an active replacement.

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"SAO0","port":"2304","use":"warehouse_entry"}'

Get a free key Validation guide

Source: U.S. Customs and Border Protection FIRMS code list, data as of 2026-10-23. FIRMSapi is not affiliated with CBP; confirm bond status and filing details in ACE.