ACE Protest Module Filing Guide for Importers and Brokers
ACE protest module filing guide
Search intent: Team wants to file protest in ACE instead of paper submission.
CBP confirms protests may be filed in ACE and that filers need to establish and maintain a protest filer account within the ACE Portal.
What to verify before filing decisions
- ACE supports electronic protest submissions.
- A protest filer ACE account is required for trade users.
- Paper submission remains an option at the port where entry was made.
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)Post Summary Correction Time Limit Before Liquidation (PSC Window)How 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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