Mich. Comp. Laws § 393.508

Sec. 8. (1) The appointing authority shall channel requests for qualified interpreters, intermediary interpreters, and deaf interpreters through the division. (2) The division shall compile and update annually a listing of qualified interpreters, intermediary interpreters, and deaf interpreters and shall make this listing available to an appointing authority that may need the services of a qualified interpreter, intermediary interpreter, or deaf interpreter as required by this act.