Tex. Ins. Code § 1806.054

Except as provided by Section 1806.055, 1806.056, or 1806.057, an insurer or an insurer's officer, director, agent, or other representative may not, for the purpose of writing the insurance of an insured, grant to the insured or contract with the insured for a special favor or advantage in dividends or other profits, or commissions or dividends of commissions or profits to accrue on the policy, or compensation or other valuable consideration not specified in the policy, or an inducement not specified in the policy.