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CBP moves Entry Type 13 mail test guides from draft to current ACE chapters
CBP implemented the Entry Type 13 (ET13) test for U.S. mail processing in ACE on September 22, 2026. CBP moved the related Cargo Release and Entry Summary implementation guides from the draft section of its CATAIR page to the current sections. The moved documents include the PGA Flag Enforcement Table, the Prior Notice stand-alone filing guide and the Entry Summary Error Dictionary.
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This is a technical update for software developers and filers who transmit Entry Type 13 data to ACE. We file mail entries, including entry type 13, and we follow the current CATAIR guides for them. Clients do not need to act because of this message. Clients who ship by mail can ask us how Entry Type 13 applies to their shipments.
CBP posted more technical guides for the mail Entry Type 13 test in ACE
CBP announced on July 20, 2026 the Entry Type 13 test for U.S. mail processing in ACE through CSMS 69289734. This follow-up message said CBP had published additional draft guides, the ACE CATAIR Entry Summary Query and the ACE CATAIR Error Dictionary for Entry Summary, to support that test. CBP said any future updates would be announced by separate CSMS message.
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This message only added technical documentation for the ACE mail Entry Type 13 test and did not change entry filing requirements itself. It affected system programming for parties involved in mail entry processing, not day to day filing steps for our clients. Clients with mail shipments should ask us if they want to know how the Entry Type 13 test or later CSMS updates affect their entries.
The summaries and positions are general information, not legal advice. Always check the official CBP message, which each page links to.
Does a change affect your entries?
Call (908) 291-8001 or email info@alliedchb.com