On May 26, 2021, US Customs and Border Protection (CBP) will publish in the Federal Register a document [CBP Dec. 21-09] announcing the quota quantity of tuna in airtight containers for Calendar Year (CY) 2021. Each year, the tariff-rate quota (TRQ) for tuna described in subheading 1604.14.22, Harmonized Tariff Schedule of the United States (HTSUS), is calculated as a percentage of the tuna in airtight containers entered, or withdrawn from warehouse, for consumption during the…