United States manyere oke oge na mgbake nke ngwa ahịa 99:
Ngwaahịa 81: USTR nke United States na-ewepu n'ihu n'ihu n'ụtụ isi, na njedebe maka iwepụ ụgwọ ọrụ ga-abụ Mee 31st, 2022.

Ihe ndabere: Nkeji edemede 9903.88.66 nke United States ihe 18: USTR nke United States na-ewepukwu ụgwọ ọrụ, na njedebe maka iwepụ ụtụ ego ọzọ bụ Nọvemba 30, 2021.

Ntọala: American 9903.88.66, 9903.88.01, 9903.88.02, 9903.88.03, 9903.88 .04, 9903.88.15, na mwepu nke Covid na-abawanye na November 30, nke USTR wepụtara.