此規(guī)定自2022年1月19日起生效，意見和書面評論在2021年10月21日前提交。
部分原文報道如下：
The Food and Drug Administration (FDA, the Agency, we) is issuing a final rule that establishes procedures by which we may establish, amend, or revoke tolerances for residues of new animal drugs in any edible portion of any animal imported into the United States (import tolerances). These import tolerances provide a basis for the legal marketing of such animal-derived food.
更多詳情參見：https://www.federalregister.gov/documents/2021/09/21/2021-19967/import-tolerances-for-residues-of-unapproved-new-animal-drugs-in-food
