Michigan Compiled Laws
Act 5 of 1948 (2nd Ex. Sess.) - Compensation, Mileage, and Expenses of Legislators (4.511 - 4.518)
Section 4.513 - Mileage.

Sec. 3.
The members of the legislature shall receive mileage at the rate prescribed in the joint rules of the senate and house of representatives for 2 round trips each month during each regular and extra session of the legislature.
History: 1948, 2nd Ex. Sess., Act 5, Eff. Jan. 1, 1949 ;-- Am. 1960, Act 158, Eff. Aug. 17, 1960 ;-- Am. 1966, Act 309, Eff. Jan. 1, 1967