PSCs (Post-Summary Corrections) allow entry amendments before liquidation. Strategic uses: catalog-wide HTS corrections, USMCA preference claims missed at filing, valuation corrections (assists, royalties), country-of-origin corrections. Batch PSCs filed across multiple entries for SKU-wide patterns.

This guide covers Post-Summary Correction Strategy. Refund and recovery work spans multiple statutes and mechanisms – drawback, CAPE refunds, PSCs, protests, reliquidation under § 1520.

For SMB importers, the practical implementation depends on volume, sector, and operational structure.

When PSC applies

Pre-liquidation. Typically up to 314 days from entry. Faster CBP review than protest.

Common PSC scenarios

HTS reclassification, missed USMCA preference, valuation adjustments (assists, royalties), country-of-origin correction.

Batch PSCs

For SKU-wide patterns affecting many entries, batch filing is efficient. Each entry filed individually but with consistent narrative.

PSC vs protest decision

Pre-liquidation: PSC. Post-liquidation within 180 days: protest. Beyond 180 days: limited options (reliquidation under § 1520).

Frequently asked questions

When is this most relevant?

For SMB importers facing audit, refund opportunity, or compliance gap remediation.

What documentation matters?

CBP forms, supporting records, supplier certificates, and BOM analysis as applicable.

What is the timeline?

Simple matters 2-4 weeks; complex audits or refund filings 3-12 months.

What does this cost?

Project scope $5,000-$45,000 depending on complexity. Refund work often on contingency.

How do I begin?

Book a 15-minute scoping call. We confirm fit before any engagement.

Get started

Run a refund opportunity audit on your import history. Free preliminary estimate.

About the author

Kyle Peacock is the Principal of Peacock Tariff Consulting, an independent tariff and customs advisory firm serving SMB importers across the U.S., Canada, the U.K., and the E.U. He has been quoted in Forbes, CNN, The Washington Post, BBC, CBC, CTV, Financial Post, Nasdaq, Supply Chain Brain, and Harvard Business School publications. Connect on LinkedIn.