Tex. Gov't Code § 1201.028
Notwithstanding any other law, including a provision in a municipal charter, the following actions taken at a meeting of the governing body of an issuer are effective immediately and a subsequent meeting is not required:
(1) a resolution, order, or ordinance calling an election to:
Added by Acts 2001, 77th Leg., ch. 769, Sec. 2, eff. Sept. 1, 2001.