Mich. Comp. Laws § 257.705a: Brake fluid specifications.

Sec. 705a.

On and after January 1, 1961, no person shall have for sale, or sell or offer for sale, for use in motor vehicle brake systems in this state, any hydraulic brake fluid which does not meet the minimum specifications of the society of automotive engineers for heavy duty brake fluid, as prescribed March 1, 1960.