N.H. Code Admin. R. Lab 1203.02
All repairs and alterations to boilers and pressure vessels shall be made in accordance with the National Board Inspection Code adopted under Lab 1202.02.
Source. (See Revision Note at chapter heading for Lab 1200) #5371, eff 4-10-92, EXPIRED: 4-10-98 New. #7210, eff 2-28-00; ss by #9076, eff 1-24-08; ss by #11071, eff 4-11-16