Michigan Compiled Laws, Chapter 37. Civil Rights § 37.291

Sec. 1. (1) Subject to subsection (2), notwithstanding any provision of law to the contrary, no agency of this state, no political subdivision of this state, no employee of an agency of this state or a political subdivision of this state acting in his or her official capacity, and no member of the Michigan national guard on active state service shall aid an agency of the armed forces of the United States in any investigation, prosecution, or detention of any person pursuant to section 1021 of the national defense authorization act for fiscal year 2012,  1 if such aid would place that state agency, political subdivision, employee, or member of the Michigan national guard in violation of the United States constitution, the state constitution of 1963, or any law of this state.

(2) Subsection (1) does not apply to participation by state or local law enforcement or the Michigan national guard in a joint task force, partnership, or other similar cooperative agreement with federal law enforcement if that joint task force, partnership, or similar cooperative agreement is not for the purpose of investigating, prosecuting, or detaining any person pursuant to section 1021 of the national defense authorization act for fiscal year 2012.