Sec. 10. (a) A change in a plan may be initiated by one (1) of the following procedures:
(1) By filing a petition signed by at least ten percent (10%) of the voters of the school corporation with the clerk of the circuit court.
(2) By a resolution adopted by the governing body of the school corporation.
(3) By ordinance adopted by a city legislative body under section 13 of this chapter.
(b) A petition, resolution, or ordinance must set forth a description of the plan that conforms with section 7 of this chapter.