N.M. Code R. § 14.9.4.25
The owner or user of such inspected equipment shall be responsible for obtaining a certificate of inspection. The method and frequency of boiler inspections shall be as follows:
A. The following equipment shall be inspected internally annually. A certificate inspection may be issued with an external inspection; however, an internal inspection must be made within six (6) months of the external inspection. When the construction does not permit an internal inspection, one external inspection annually is required:
(1) high-pressure boilers; [and]
(2) high-pressure steam generators.
B. Every twenty-four (24) months, an external and internal inspection shall be performed on the following:
(1) direct fire steam jacketed kettles;
(2) low-pressure steam boiler; [and]
(3) low-pressure hot-water heating boilers.
E. If, at the discretion of the special inspector, a hydrostatic test shall be deemed necessary, the test shall be performed and the expense shall be borne by the owner or user of the boiler and the test shall be witnessed by the special inspector.
[1-1-98; 14.9.4.25 NMAC - Rn, 14 NMAC 9.4.25, 08-01-03]