Okla. Admin. Code § 748:20-14-19
Chapter 14 of the Oklahoma adopted IMC® 2018 has been adopted with the following modification: Section 1402.8.3 Piping has been modified to correct errata published by the ICC®. The modification changes a specified chapter from "10" to "12." This section has been modified to read: 1402.8.3 Piping. Potable piping shall be installed in accordance with the International Plumbing Code®. Hydronic piping shall be installed in accordance with Chapter 12 of this code. Mechanical system piping shall be supported in accordance with Section 305.
Added at 38 Ok Reg 2716, eff 9-14-21