Post Summary Correction Time Limit Before Liquidation (PSC Window)
post summary correction time limit before liquidation
Search intent: Importer needs the pre-liquidation correction deadline rules.
CBP describes PSC as the electronic correction path before liquidation for ACE entries, generally within 300 days from entry and up to 15 days before scheduled liquidation (earlier date controls).
What to verify before filing decisions
- PSC is a pre-liquidation correction tool for ACE entry summaries.
- CBP describes a 300-day / 15-day-before-liquidation timing framework.
- If liquidation already occurred, teams typically evaluate protest or other post-liquidation options.
Primary sources
Accuracy note: this page is a practical summary of cited public sources and is not legal advice. Entry-level facts, applicable statutes/regulations, and current CBP guidance control outcomes.
Related guides
CBP Protest 180 Days After Liquidation: What the Rule Actually SaysHow to File CBP Form 19 Protest (and What CBP Accepts)ACE Protest Module Filing Guide for Importers and BrokersHow to Check Liquidation Date in CBP Official NoticeExtension and Suspension Notice Rules Under 19 CFR 159.12Drawback 5-Year Filing Window Under 19 U.S.C. 1313
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