Amend CSSB 127 on page 4, after line 6, by adding a new Section 6 to added Article 5.35-4, Insurance Code, to read as follows: Sec. 6. OPTIONAL PREMIUM DISCOUNT. (a) An insurer that issues a residential property insurance policy in this state may provide a discount in the premiums that would otherwise be charged for the policy if the policyholder has installed a water leak detection system that meets the building and performance standards for mold reduction in Section 430.002, Property Code. (b) The commissioner shall establish by rule the amount of a premium discount applicable under this section based on sound actuarial principles.