Accounting & CPA — Tariff Refund Claims System Goes Live for $166B in IEEPA Collections; Tax Policy Shifts and Social Security Rule Changes Create Multi-Front Advisory Demands

Accounting & CPA · 2026-04-21

TODAY'S SIGNAL — April 20, 2026 brings a convergence of tax, trade, and benefits developments that will land squarely on CPA desks. The activation of U.S. Customs and Border Protection's $166 billion tariff refund claims system is the day's headline event — importers will need accounting guidance to navigate repayment calculations, and the downstream effects on cost basis, inventory valuation,…