Mich. Comp. Laws § 484.1406

Sec. 406. (1) The funds collected and expended under this act must be expended exclusively for 9-1-1 services and in compliance with the rules promulgated under section 413. (2) Each county, PSAP, or secondary PSAP that receives money under this act shall assure that fund accounting, auditing, monitoring, and evaluation procedures are provided as required by this act and the rules promulgated under this act. (3) An annual audit must be conducted by an independent auditor using generally accepted accounting principles and copies of the annual audit must be made available for public inspection. (4) An increase in the charges allowed under this act must not be authorized or expended for the next fiscal year unless according to the most recently completed annual audit the expenditures are in compliance with this act. (5) The receipt of 9-1-1 funds under this act is dependent on compliance with the standards established by the commission under section 413.