Tex. Local Government Code § 143.086: POLITICAL ACTIVITIES.

(a) While in uniform or on active duty, a fire fighter or police officer may not take an active part in another person's political campaign for an elective position of the municipality.

(b) For the purposes of this section, a person takes an active part in a political campaign if the person:

(1) makes a political speech;

(2) distributes a card or other political literature;

(3) writes a letter;

(4) signs a petition;

(5) actively and openly solicits votes; or

(6) makes public derogatory remarks about a candidate for an elective position of the municipality.

(c) A fire fighter or police officer may not be required to contribute to a political fund or to render a political service to a person or party. A fire fighter or police officer may not be removed, reduced in classification or salary, or otherwise prejudiced for refusing to contribute to a political fund or to render a political service.

(d) A municipal official who attempts to violate Subsection (c) violates this chapter.

(e) Except as expressly provided by this section, the commission or the municipality's governing body may not restrict a fire fighter's or police officer's right to engage in a political activity.

Acts 1987, 70th Leg., ch. 149, Sec. 1, eff. Sept. 1, 1987.