7-2-4607. Filing of resolution. (1) The clerk or other officer performing the duties of clerk of such council or legislative body shall promptly make and certify under the seal of said municipal corporation a copy of said record so entered upon said minutes, which document shall be filed with the clerk of the county in which the city or town to which said territory or territories are sought to be annexed is situated.

(2) From and after the date of the filing of said document in the office of the county clerk, the annexation of such territory or territories so proposed to be annexed shall be deemed and shall be complete. Thenceforth such annexed territory or territories shall be, to all intents and purposes, a part of said municipal corporation, and the said city or town to which the annexation is made has the power to pass all necessary ordinances pertaining thereto.