N.H. Admin. Code § Saf-Mec 101.01
The board's administrative rules set forth the organization of the mechanical licensing board, describe the board's practices and procedures, establish the licensing qualifications of fuel gas fitters and gas fitting trainees, master plumbers, journeyman plumbers, apprentice plumbers and the voluntary certification of water treatment technicians and oil heating technicians, establish requirements for the issuance of fuel gas fitting and plumbers' licenses and certifications for oil heating technicians and water treatment technicians, set forth continuing education requirements for the renewal of licenses and certifications, establish ethical standards for the professions governed by the board and otherwise implement the provisions of RSA 153:27 through 153:38.
N.H. Admin. Code § Saf-Mec 101.01