"Regular accounting quarter" means the 4 3-month periods that coincide with the taxpayer's accounting period.
N.H. Admin. Code § Rev 1001.07
#4707, eff 11-21-89; ss by #5301, eff 12-26-91; ss by #6662, eff 12-25-97; ss by #8526, eff 12-21-05(formerly Rev 1001.10 ); ss by #10536, eff 3-6-14 (from Rev 1001.05 )