(a) General. In computing any period of time under subpart B of this part, the time period begins the day following the act, event, or default, and includes the last day of the period, unless the last day is a Saturday, Sunday, or legal holiday observed by the Federal Government, in which case the time period includes the next business day. When the prescribed time period is 7 days or less, intermediate Saturdays, Sundays, and legal holidays shall be excluded from the computation.

(b) Entry of orders. In computing any time period involving the date of the issuance of an order or decision by an Administrative Law Judge, the date of issuance is the date the order or decision is served by the Docket Clerk.

(c) Service by mail. If a document is served by mail, 3 days shall be added to the time permitted for a response.