Mo. Rev. Stat. § 347.051
1. The original copy of the articles of organization, an amendment or restatement of such articles, articles of termination, statement of change of registered agent or registered office, or any other statement, document or notice required or permitted to be filed pursuant to sections 347.010 to 347.187, or of any judicial decree requiring the filing of such document under sections 347.010 to 347.187, in a format as prescribed by the secretary of state, shall be delivered to the secretary of state. A person who executes articles or other documents to be filed under sections 347.010 to 347.187 as an agent or fiduciary need not evidence his authority as a prerequisite to filing. If the secretary determines that the documents substantially conform to the filing provisions of sections 347.010 to 347.187, it shall, when all required filing fees have been paid:
(L. 1993 S.B. 66 & 20 § 359.728, A.L. 2004 H.B. 1664)