See this chapter of the USPSHTC except as provided as follows: 712.2.18 Chimneys and vents. See this section of the USPSHTC except delete the following language: "Where vents extend outdoors above the roof more than 5 feet (1524 mm) higher than required by Table 509.6.2, and where vents terminate in accordance with Section 509.6.2(1), the outdoor portion of the vent shall be enclosed as required by this section for vents not considered to be exposed to the outdoors or such venting shall be engineered."
N.M. Admin. Code § 14.8.3.15