House File 1027 H-1258 Amend House File 1027 as follows: 1 1. Page 1, before line 1 by inserting: 2 < Section 1. NEW SECTION . 103A.8E Radon mitigation 3 requirements. 4 The commissioner shall adopt as part of the state building 5 code a requirement that new single-family or two-family 6 residential construction must include passive methods for the 7 mitigation of radon. The requirement shall only apply to 8 single-family or two-family residential construction commenced 9 after the adoption of the requirement. > 10 2. Page 1, by striking lines 31 through 33 and inserting: 11 < Sec. ___. RETROACTIVE APPLICABILITY. The following apply 12 retroactively to January 1, 2025, for tax years beginning on 13 or after that date: 14 1. The section of this Act enacting section 422.10C. 15 2. The section of this Act amending section 422.33. > 16 3. Title page, line 1, before < creating > by inserting 17 < relating to radon by establishing radon mitigation 18 requirements, > 19 4. By renumbering as necessary. 20 ______________________________ WILZ of Wapello -1- HF 1027.1632 (3) 91 jm/jh 1/ 1 #1. #2. #3. #4.