; and (2) management of the Mexican gray wolf shall be assumed by each State in which the Mexican gray wolf is present, effective beginning on the date of the determination. (c) Determination by Director (1) In general Not later than 90 days after the date of enactment of this Act, the Director shall determine whether a population of not fewer than 100 Mexican gray wolves in a 5,000-square-mile area within the historic range of the Mexican gray wolf has been established, as described in the Mexican Wolf Recovery Plan of 1982 prepared by the Mexican Wolf Recovery Team (U.S. Fish and Wildlife Service. 1982. Mexican Wolf Recovery Plan. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 103 pp.). (2) Standards and procedures A determination under paragraph (1) shall be made in accordance with applicable standards and procedures used by the Director in determining the status of a species under the Endangered Species Act of 1973 ( 16 U.S.C. 1531 et seq.).