Compliance after entry
Post-Summary Correction (PSC)
A post-summary correction (PSC) is an electronic correction of an entry summary in ACE, filed after the summary and before liquidation.
What does Post-Summary Correction (PSC) mean?
A PSC is the only way for the trade to correct an ACE entry summary electronically before liquidation. Filers use it because 19 U.S.C. 1484 and 1485 require them to correct their entries.
A PSC must be filed within 300 days after entry and at least 15 days before the scheduled liquidation date, whichever is earlier. ACE rejects a PSC outside this time.
A July 2026 notice formally allows a PSC after 300 days for some entries with suspended liquidation, for example AD/CVD entries. Since August 5, 2026, a duty increase from a PSC must be paid by ACH.
Some data cannot change with a PSC, for example the importer of record. CBP does not accept a PSC as an IEEPA duty refund request.
What does it mean for your shipment?
Tell us as soon as you find an error on an unliquidated entry. After liquidation, the options are a protest or a prior disclosure.
Allied CHB, licensed customs broker, CBP filer code 9AJ.
Where does this come from?
Trade News about Post-Summary Correction
All glossary terms · General information, not legal advice.