|(a) After the petition has been circulated among the electorate and has been signed by not less than 10% of the qualified electors of the proposed district, the petition shall be verified by the appropriate authorities who have the duty of verifying the legality of the petition. (1) In the case of community college district coextensive with an independent school district or city which has assumed control of its school, the petition shall be presented to the school district's board of trustees. (2) In the case of a union, single-county, or joint county community college district, the petition shall be presented to the county school board if the proposed district encompasses a single county, or county school boards of the respective counties if the proposed district encompasses more than one county. If there is no county school board or school boards, the petition shall be presented to the commissioners' court(s) of the county or counties involved. (b) It shall be the duty of the appropriate authorities to pass upon the legality of the petition and the genuineness of the same.