Mich. Comp. Laws § 462.39: Fences; inspection, construction.

Sec. 39.

The railroad commission shall have power, and it shall be its duty, if it shall deem it practicable, in all cases to inspect and determine the sufficiency of all fences required by law to be constructed and maintained by railroad companies, and it may prescribe the manner of constructing and the time within which it shall be done.