Mich. Comp. Laws § 4.141: Oaths of office; preservation.

Sec. 1.

It is hereby made the duty of the secretary of the senate and the clerk of the house of representatives, of each succeeding session of the legislature, to have the oaths of office of the members and officers of their respective bodies, bound together in a proper volume for filing and record, and present the same to the secretary of state, to be by that officer filed and preserved of record.