Mich. Comp. Laws § 324.511
The department may establish and collect fees for the department of natural resources magazine, publications, and related materials. Fees collected shall be credited to a separate fund of the state treasury and shall be available for appropriation to the department and used to pay all direct and indirect operating costs of the magazine and for the purchase of other related publications and materials. The retained earnings balance of the magazine at the end of the fiscal year shall not fall below the retained earnings balance at the end of the prior fiscal year. Any unexpended fees collected pursuant to this section, along with any excess collections from prior fiscal years, shall be carried over into subsequent fiscal years and shall be available for appropriation for the purposes described in this section. The magazine account shall receive an annual allocation of interest earned by the state treasurer's common cash fund on cash balances of the magazine pursuant to procedures established by the state treasurer. Accounting records of the magazine shall be maintained on an accrual basis consistent with generally accepted accounting principles, including the establishment of separate asset, liability, and equity accounts for the magazine.
MCL 324.511