Amend Proposed Art. 21.21-9 as provided by Section 1 of HB 671 by revising Section 3 and 4 of proposed Art. 21.21-9 to read as follows: Sec. 3. COMMISSIONER RULEMAKING. The Commissioner of Insurance is granted rulemaking authority to regulate the use of credit reports by insurance companies for underwriting decisions. Any such rule shall be based upon sound actuarial principles applicable to underwriting. Sec. 4. PENALTY. An insurer who violates any rule promulgated by the Commissioner commits an unfair practice in violation of Article 21.21 of this code and is subject to the penalties imposed under that article.