At any time when a subordinate corps, auxiliary to a post of the Grand Army of the Republic, shall by a 2/3 vote of the members present at any regular meeting of said corps, resolve to become incorporated, the president, senior vice-president, junior vice-president, and secretary of such corps may make and execute articles of association under their hands and seals, specifying as provided in section 2 of this act, and file a copy of the resolutions passed at a regular meeting of the corps, with the clerk of the county in which such corporation shall be formed, which shall be recorded by such clerk in a book to be kept in his office for that purpose, and thereupon such corps, auxiliary to a post of the Grand Army of the Republic, the officers thereof, their associates and successors shall be a body politic and corporate, by the name expressed in such articles of association and by that name they and their successors shall have successions and shall be persons in law with the same powers, duties and liabilities as the Woman’s Relief Corps department of Michigan have under section 3 of this act, to which they are subordinate: Provided, That a certified copy of the record of such articles of association, under the seal of the circuit court of the county where such record is recorded, shall be received as prima facie evidence in all the courts of this state, of the existence and due organization of such corporation.