2/26/1990 The tariff classification of marine engines from Japan. 7/1/2008 Classification of Certain Outboard Motorboats Imported with Engines; Internal Advice 2/17/2021 Country of Origin; Marine propulsion outboard engine; Section 301 trade remedy; 9903.88.01, HTSUS References: 563236, 556647, H303529, H303866, H302821, H301619, H303864, N126155, N302707, N295964, H100055, H270580