Sec. 521. Except for a reason set forth in IC 26-1-9.1-516(b) or IC 26-1-9.1-901, a filing office that accepts written records may not refuse to accept a written document for a filing authorized by this chapter if the document conforms to a format that is:
(1) approved by the International Association of Commercial Administrators; or
(2) adopted by rule by the secretary of state under IC 26-1-9.1-526.