PRESS RELEASE

    IAPMO Makes Two Tentative Interim Amendments (TIA) Available for Public Comment

    IAPMO Makes Two Tentative Interim Amendments (TIA) Available for Public Comment

    In accordance with the IAPMO Regulations Governing Committee Projects, IAPMO would like to announce that two Tentative Interim Amendments (TIA) to the 2018 and 2021 editions of the Uniform Mechanical Code (UMC<sup>®</sup>) are being submitted for public comment.

    UMC TIA 009-18 revises text in the 2018 edition of the UMC, Section 1109.2 (Joints), Section 1109.7 (Pipe Enclosure), and Table 1701.1 (Referenced Standards) regarding press-connect joints for  refrigeration piping.

    The comment form is located HERE.

    UMC TIA 001-21 revises text in the 2021 edition of the UMC, Section 1109.2 (Joints), Section 1109.7 (Pipe Enclosure), and Table 1701.1 (Referenced Standards) regarding press-connect joints for refrigeration piping.

    The comment form is located HERE.

    IAPMO invites all interested parties to review the proposed TIAs on the IAPMO website under Uniform Mechanical Code / Proposed TIAs and respond by filling out the comment form.

    The deadline to submit comments is Oct. 15.

    Completed forms may be emailed to Zalmie Hussein, Mechanical Code Development administrator, at zalmie.hussein@iapmo.org.


    IAPMO Solicits Proposals for 2030 UPC and UMC

    17 July 2026

    IAPMO®, publisher of the Uniform Plumbing Code® (UPC) and Uniform Mechanical Code® (UMC), is calling for formal code proposals toward the development of the 2030 editions of these American National Standard designated model codes. All proposals recommending new text, revised text, or the deletion of text must be written in legislative format and clearly state the reason behind the recommendation.

    Texas Adopts 2024 Uniform Mechanical Code

    13 July 2026

    IAPMO® applauds the Texas Department of Licensing and Regulation (TDLR) for its adoption of the 2024 Uniform Mechanical Code (UMC®) for applications regulated under the state's Air Conditioning and Refrigeration Contractors program. The updated code is scheduled to become effective Sept. 1.

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