Act 241, Public Acts of 1947 (Michigan Animal Care Law)

Act 241, of 1947 established a program of registration and inspection of facilities that use and maintain laboratory animals.  The goal is to ensure humane care and use of animals. The law requires all Michigan scientific institutions that use animals to register with the state Department of Public Health and to be subject to inspection of their animal facilities by the Department.  Since 1978, the law has been applied to all vertebrate animals used in research and, for regulatory purposes, together with Act 368, utilizes the standards in the PHS Guide for the Care and Use of Laboratory Animals.

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