Section 810 ILCS 5/9-521 - Uniform form of written financing statement and amendment(a) Initial financing statement form. A filing office that accepts written records may not refuse to accept a written initial financing statement in the form and format set forth in the official text of the 2010 amendments to Article 9 of the Uniform Commercial Code promulgated by the American Law Institute and the National Conference of Commissioners on Uniform State Laws, except for a reason set forth in Section 9-516(b).(b) Amendment form. A filing office that accepts written records may not refuse to accept a written record in the form and format set forth as Form UCC3 and Form UCC3Ad in the final official text of the 2010 amendments to Article 9 of the Uniform Commercial Code promulgated by the American Law Institute and the National Conference of Commissioners on Uniform State Laws, except for a reason set forth in Section 9-516(b).Amended by P.A. 097-1034,§ 5, eff. 7/1/2013. P.A. 91-893, eff. 7-1-01.