In computing any period of time prescribed by or allowed by this subchapter, except in agreement bar situations described in § 1422.3(c) of this subchapter, the day of the act, event, or default from or after which the designated period of time begins to run, shall not be included. The last day of the period so computed is to be included unless it is a Saturday, Sunday, or a Federal legal holiday in which event the period shall run until the end of the next day which is neither a Saturday, Sunday, or a Federal legal holiday: Provided, however, In agreement bar situations described in § 1422.3 (c) and (d), if the sixtieth (60th) day prior to the expiration date of an agreement falls on Saturday, Sunday or a Federal legal holiday, a petition, to be timely, must be received by the close of business of the last official workday preceding the sixtieth (60th) day. When the period of time prescribed or allowed is seven (7) days or less, intermediate Saturdays, Sundays, and Federal legal holidays shall be excluded from the computations. When this subchapter requires the filing of any paper, such document must be received by the Board or the officer or agent designated to receive such matter before the close of business on the last day of the time limit, if any, for such filing or extension of time that may have been granted.

Whenever a party has the right or is required to do some act pursuant to this subchapter within a prescribed period after service of a notice or other paper upon such party, and the notice or paper is served on such party by mail, five (5) days shall be added to the prescribed period.

(a) Except as provided in paragraph (d) of this section, the Board or General Counsel, or their designated representatives, as appropriate, may extend any time limit provided in this subchapter for good cause shown, and shall notify the parties of any such extension. Requests for extensions of time shall be filed in writing no later than five (5) days before the established time limit for filing, shall state the position of the other parties on the request for extension, and shall be served on the other parties.

(b) Except as provided in paragraph (d) of this section, the Board or General Counsel, or their designated representatives, as appropriate, may waive any expired time limit in this subchapter in extraordinary circumstances. Request for a waiver of time limits shall state the position of the other parties and shall be served on the other parties.

(c) The time limits established in this subchapter may not be extended or waived in any manner other than that described in this subchapter.

(d) The time limits prescribed by 22 U.S.C. 4114(c) may not be waived.

(a) A document submitted to the Board pursuant to this subchapter shall be filed with the Board at the address set forth in appendix A to this chapter XIV.

(b) A document submitted to the General Counsel pursuant to this subchapter shall be filed with the General Counsel at the address set forth in appendix A.

(c) A document submitted to a Regional Director pursuant to this subchapter shall be filed with the appropriate regional office, as set forth in appendix A.

(d) A document submitted to an Administrative Law Judge pursuant to this subchapter shall be filed with the appropriate Administrative Law Judge, as set forth in appendix A.

(e) All documents filed pursuant to paragraphs (a), (b), (c) and (d) of this section shall be filed by certified mail or in person, or if the filing party is outside the United States, by the most appropriate available means.

(f) All matters filed under paragraphs (a), (b), (c) and (d) of this section shall be printed, typed, or otherwise legibly duplicated: Carbon copies of typewritten matter will be accepted if they are clearly legible.

(g) Documents in any proceedings under this subchapter, including correspondence, shall show the title of the proceeding and the case number, if any.

(h) The original of each document required to be filed under this subchapter shall be signed by the party or by an attorney or representative of record for the party, or by an officer of the party, and shall contain the address and telephone number of the person signing it.

(i) A return postal receipt may serve as acknowledgement of receipt by the Board, General Counsel, Administrative Law Judge, Regional Director, or Hearing Officer, as appropriate. The receiving officer will otherwise acknowledge receipt of documents filed only when the filing party so requests and includes an extra copy of the document or its transmittal letter which the receiving office will date stamp upon receipt and return. If return is to be made by mail, the filing party shall include a self-addressed, stamped envelope for the purpose.

Unless otherwise provided by the Board or the General Counsel, or their designated representatives, as appropriate, or under this subchapter, any document or paper filed with the Board, General Counsel, Administrative Law Judge, Regional Director, or Hearing Officer, as appropriate, under this subchapter, together with any enclosure filed therewith, shall be submitted in an original and four (4) copies. A clean copy capable of being used as an original for purposes such as further reproduction may be substituted for the original.

(a) The Board or the General Counsel, or their designated representatives, as appropriate, may in their discretion grant leave to file other documents as they deem appropriate.

(b) A copy of such other documents shall be served on the other parties.

(a) Except as provided in § 1423.10 (c) and (d), any party filing a document as provided in this subchapter is responsible for serving a copy upon all counsel of record or other designated representative(s) of parties, upon parties not so represented, and upon any interested person who has been granted permission by the Board pursuant to § 1429.9 to present written and/or oral argument as amicus curiae. Service upon such counsel or representative shall constitute service upon the party, but a copy also shall be transmitted to the party.

(b) Service of any document or paper under this subchapter, by any party, including documents and papers served by one party on another, shall be made by certified mail or in person. A return post office receipt or other written receipt executed by the party or person served shall be proof of service.

(c) A signed and dated statement of service shall be submitted at the time of filing. The statement of service shall include the names of the parties and persons served, their addresses, the date of service, the nature of the document served, and the manner in which service was made.

(d) The date of service or date served shall be in the day when the matter served is deposited in the U.S. mail or is delivered in person. When service is to be made to an addressee outside the United States, the date of service shall be the date received, as evidenced by official receipt.

Any interested person may petition the Board or General Counsel in writing for amendments to any portion of these regulations. Such petition shall identify the portion of the regulations involved and provide the specific language of the proposed amendment together with a statement of grounds in support of such petition.