158:30-1-4. Standard of installation Effective July 1, 2009, and thereafter, The Construction Industries Board incorporates the International Plumbing Code/2009, 2009 International Fuel Gas Code, and the plumbing portion of the 2009 International Residential Code as the minimum standard for the installation of plumbing in Oklahoma where no ordinance or regulation of a governmental subdivision applies. [Source: Added at 19 Ok Reg 721, eff 1-22-02 (emergency); Added at 19 Ok Reg 1264, eff 5-28-02; Amended at 21 Ok Reg 491, eff 11-14-03 (emergency); Amended at 21 Ok Reg 1187, eff 5-27-04; Amended at 23 Ok Reg 1213, eff 5-25-06; Amended at 26 Ok Reg 2451, eff 7-11-09]