A provision of an insurance policy that violates Section 1203.053 is void.
Tex. Ins. Code § 1203.054
CERTAIN COORDINATION OF BENEFITS PROVISIONS VOID
Added by Acts 2015, 84th Leg., R.S., Ch. 572 (H.B. 3024), Sec. 1, eff
Official source: Texas Constitution and Statutes. Reproduced from public-domain Texas statutes; confirm against the official source for the current text. Not legal advice.