29 CFR 580.8 - Service and computation of time.
(a) Service of documents under this subpart shall be made by delivery to the individual, an officer of a corporation, or attorney of record or by mailing the determination to the last known address of the individual, officer, or attorney. If done by mail, service is complete upon mailing. If done in person, service is complete upon handing it to the attorney, officer or party; by leaving it at the office with a clerk or person in charge, or leaving it at a conspicuous place in the office if no one is in charge; or by leaving it at the attorney's or party's residence.
(b) Two (2) copies of all pleadings and other documents required for any administrative proceeding provided by this subpart shall be served on the attorneys for the Department of Labor. One copy shall be served on the Associate Solicitor, Division of Fair Labor Standards, Office of the Solicitor, U.S. Department of Labor, 200 Constitution Avenue NW., Washington, DC 20210, and one copy on the attorney representing the Department in the proceeding.
(c) Time will be computed beginning with the day following the action and includes the last day of the period unless it is a Saturday, Sunday, or federally-observed holiday, in which case the time period includes the next business day.