See this chapter of the UPC except as provided below. Section 906.1 Roof Termination. See this section of the UPC and add the following to the end of the section: Exception: When first approved by the authority having jurisdiction, a fixture or fixture branch may be permitted to be vented using an approved air admittance valve (AAV) in accordance with its listing when conventional venting termination methods are not available.

[14.8.2.19 NMAC - Rp, 14.8.2.19 NMAC, 08/01/2026]