On October 4, 2021, the US Fish and Wildlife Service (FWS or the Service) published a final rule revoking its January 7, 2021, Migratory Bird Treaty Act (MBTA or Act) rule. 86 Fed. Reg. 54,642 (Oct. 4, 2021) (Rule or Revocation Rule). The January 7 rule was issued at the end of the Trump administration




