Tex. Loc. Gov't Code § 174.205
If a fire fighter or police officer engages in a strike, interferes with the municipality, prevents the municipality from engaging in its duty, directs any employee of the municipality to decline to work or to stop or slow down work, causes another to fail or refuse to deliver goods or services to the municipality, pickets for any of those unlawful acts, or conspires to perform any of those acts:
Added by Acts 1993, 73rd Leg., ch. 269, Sec. 4, eff. Sept. 1, 1993.