Mandatory CPSC eFiling has been live for general import entries since July 8, 2026, and Certificate of Compliance data now moves electronically into CBP’s ACE system at the time of entry rather than waiting for an audit request. For importers, brokers, and private labelers, that shift exposes supplier and lab data gaps at the border that used to stay hidden in back-office PDFs. The next pressure point is January 8, 2027, when the same obligation reaches goods withdrawn from a Foreign Trade Zone for consumption or warehousing. The regulatory exposure is concrete. There is no Section 321 or de minimis exemption, so every certified product needs eFiled data regardless of shipment value, and missing or inconsistent filings raise an entry line’s risk score and concentrate holds and exams. This CPSC eFiling checklist for importers walks through confirming regulated products against flagged HTS codes, collecting the seven certificate data elements, choosing the Full or Reference message