Mich. Comp. Laws § 35.602a

Sec. 2a. The period of the state of national emergency beginning June 27, 1950, as proclaimed by the president of the United States December 16, 1950, shall be that period from and after June 27, 1950, to the inclusive date of December 31, 1953. All grants made between December 31, 1953 and the effective date of this act are declared valid.