Any time period specified in this chapter shall begin with the day following the act, event, or default, and shall include the last day of the period, unless it is Saturday, Sunday, or state legal holiday, in which event the period shall run until the end of the next day which is not a Saturday, Sunday, or state legal holiday. When the period prescribed and allowed is less than 7 days, intermediate Saturdays, Sundays, and state legal holidays shall be excluded from the computation.
N.H. Admin. Code § Bal 203.01
#6263, eff 6-7-96