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CBP posts draft ACE error codes for the new mail entry type 13 test
CBP posted a draft ACE CATAIR Error Dictionary V54 in the Future Capabilities section of CBP.gov. All updates support the new Entry Type 13 test. Nine new errors cover manifest components, the final delivered-to party and address, unknown ZIP codes and the dutiable mail fee. The update renames error B49 to "PSC NOT ALLOWED - CANNOT BE INFORMAL/MAIL" and updates 11 current errors.
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These draft errors apply to the entry type 13 mail entries that we file. Under these errors, ACE rejects a type 13 entry that lacks the final delivered-to party, its complete address or a known ZIP code. Mail shippers should send us these data for each shipment. The message does not give a production date for these errors.
CBP Reschedules Support Call for New Mail Entry Type 13 Test
CBP rescheduled the Pre-Deployment Support Call for the ACE Entry Type 13 test covering international mail processing to September 15, 2026 at 1:00 p.m. ET. The Post-Deployment Support Call stays on October 7, 2026 at 1:00 p.m. ET. Both calls cover upcoming ACE enhancements for the Entry Type 13 test (INT-057, CBP-290) for mail shipments.
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We are monitoring this ACE test because it may eventually change how we file entry type 13 for mail shipments. No filing procedures change because of this notice, and clients do not need to take any action now. We will tell clients if CBP finalizes rules that affect their mail entries.
CBP updated draft CATAIR guidance for Entry Type 13 prior notice filing
CBP announced an update to the draft ACE CATAIR Stand-alone Filing for Prior Notice Data (PE/PX) document. The update added guidance covering Entry Type 13. CBP posted the revised draft chapter on cbp.gov and directed questions to its CREM mailbox.
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This update concerns the technical filing specifications that brokers like Allied use to submit prior notice data for entry type 13 mail entries. It does not require action from importers or shippers. Later CSMS messages may have changed these technical requirements further, so clients with questions about their entry type 13 filings should ask Allied to review them.
CBP rolled out new Entry Type 13 for U.S. mail shipments in ACE
CBP announced it would deploy the Entry Type 13 Test in ACE for U.S. Mail Processing to the CERT environment on July 24, 2026, and to the PROD environment on September 22, 2026. The change created a new entry type, ET13, for submitting USPS international mail shipment data, following the suspension of the de minimis exemption. It included updates to electronic data interchange and several ACE implementation guides for cargo release, entry summary and manifest.
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This deployment set up the electronic process we use to file mail entries under the new Entry Type 13 after de minimis was suspended. Since the PROD deployment date has passed, this process should now be in effect for mail shipment filings. Clients who ship by international mail should ask us to confirm how their shipments are being entered under this process.
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