Section 660.660  Computation of Time

a)         Computation of any period of time prescribed by this Subpart H begins with the first business day following the day on which the act, event or development initiating such period of time occurs, and runs until the end of the last day, or the next following business day if the last day is a Saturday, Sunday, or legal holiday.  When the period of time is five days or less, Saturdays, Sundays and legal holidays are excluded in the computation of time.

b)         Notice requirements shall be construed to mean notice received, but proof that notice was dispatched by means reasonably calculated to be received by the prescribed date shall be prima facie proof that notice was timely received.