Tex. Ins. Code § 1131.857
(a) A policy may provide that, during the period of a work stoppage, an individual premium rate may be increased by an amount not to exceed 20 percent of the amount shown in the policy, or a greater percentage as approved by the commissioner, to provide sufficient compensation to the insurer to cover increased:
Added by Acts 2001, 77th Leg., ch. 1419, Sec. 2, eff. June 1, 2003.