In computing any period of time prescribed or allowed by this part, the day of the act, event or default after which the designated period of time is to run, is not to be included. The last day of the period to be computed is to be included, unless it be a Saturday, Sunday or legal holiday, in which event the period runs until the next day which is neither a Saturday, Sunday or legal holiday. Pleading, requests, or other papers or documents required or permitted to be filed under this part must be received for filing at the appropriate office within the time limits, if any, for such filing.

For good cause shown, the administrative law judge, Administrator, or the appropriate TTB officer, as the case may be, may grant continuances and as to all matters pending before him extend any time limit prescribed by the regulations in this part (except where the time limit is statutory).

All communications to the Government regarding the procedures set forth in this part and all pleadings, such as answers, motions, requests, or other papers or documents required or permitted to be filed under this part, relating to a proceeding pending before an administrative law judge, shall be addressed to the administrative law judge, at his post of duty or to the administrative law judge, in care of the appropriate TTB officer to be forwarded to the examiner. Communications concerning proceedings not pending before an administrative law judge, should be addressed to the appropriate TTB officer or the Administrator, as the case may be. All pleadings should be filed in quadruplicate.

All orders, notices, citations, motions and other formal documents, except subpoenas, required to be served under the regulations in this part may be served by mailing a signed duplicate original copy thereof to the permittee or applicant by registered mail, with request for return receipt card, at the address stated in his permit or application or at his last known address, or by delivery of such original copy to the permittee or applicant personally, or in the case of a corporation, partnership, or other unincorporated association, by delivering the same to an officer, or manager, or general agent thereof, or to its attorney of record. Such personal service may be made by any employee of the Alcohol and Tobacco Tax and Trade Bureau or by any employee of the Treasury Department designated by the Secretary. A certificate of mailing and the return receipt card, or certificate of service signed by the person making such service, shall be filed as a part of the record.

Pleadings, motions, notices, and other formal documents, except subpoenas, may be served, by registered mail or personally, on the appropriate TTB officer (or upon the attorney for the Government on behalf of the appropriate TTB officer, or on the Administrator, if the proceeding is before him for review on appeal).

Any individual or member of a partnership may after adequate identification, appear for himself, or such partnership, and a corporation or association may be represented by a bona fide officer of such corporation or association, upon showing of adequate authorization.

A respondent or applicant may be represented by an attorney, certified public accountant, or other person enrolled to practice before the Alcohol and Tobacco Tax and Trade Bureau under 31 CFR part 8—Practice before the Alcohol and Tobacco Tax and Trade Bureau. The representative shall file in the proceeding a duly executed power of attorney to represent the applicant or respondent. See 26 CFR 601.501 through 601.527 (conference and practice requirements). The appropriate TTB officer shall be represented in proceedings under this part by the attorney for the Government who is authorize to execute and file motions, briefs, and other papers in the proceeding, on behalf of the appropriate TTB officer, in his own name as “Attorney for the Government”.