Mich. Comp. Laws § 440.9521: Form and format of written initial financing statement and amendment.

Sec. 9521.

(1) Except for a reason set forth in section 9516(2) or 9520(5), a filing office that accepts written records for filing shall not refuse to accept a written initial financing statement that conforms to the form and format of UCC financing statement (Form UCC1) or UCC financing statement addendum (Form UCC1Ad) as promulgated by the American Law Institute and the Uniform Law Commission and adopted by the secretary of state, or as approved by the International Association of Commercial Administrators and adopted by the secretary of state, or any other form adopted by the secretary of state.

(2) Except for a reason set forth in section 9516(2) or 9520(5), a filing office that accepts written records for filing shall not refuse to accept a written financing statement amendment that conforms to the form and format of the UCC financing statement amendment (Form UCC3) or the UCC financing statement amendment addendum (Form UCC3Ad) as promulgated by the American Law Institute and the Uniform Law Commission, or to the form and format of any other revision to or version of either of those forms that are promulgated by the American Law Institute and the Uniform Law Commission, or as approved by the International Association of Commercial Administrators, and adopted by the secretary of state.