Each school bus shall be equipped with a reverse directional alarm or a back-up alarm which has a minimum Dba rating of 97.
N.H. Admin. Code § Saf-C 1308.02
#4873, eff 07-24-90; ss by #6297, eff 7-23-96; ss by #8122, INTERIM, eff 7-17-04, EXPIRES: 1-13-05; ss and moved by #8248, eff 1-4-05 (from Saf-C 1307.02 )