N.H. Code Admin. R. Saf-C 1308.31
Static-type, non-closable exhaust ventilation shall be installed in the low-pressure area of the roof of each school bus.
Source. #8248, eff 1-4-05 (from Saf-C 1307.29); ss by #10439, eff 10-11-13 (see Revision Note #1 at chapter heading for Saf-C 1300); ss by #14005, eff 6-22-24, EXPIRES: 6-22-34 (see Revision Note #2 at chapter heading for Saf-C 1300)