(a) Papers required to be filed with the agency shall be deemed filed upon actual receipt during office hours at any office of the agency. Papers required to be filed with the presiding officer shall be deemed filed upon actual receipt during office hours at the office of the presiding officer.
(b) The following conditions apply for filing papers with the presiding officer by fax:
(i) As used in this chapter, "fax" means electronic telefacsimile transmission.
(ii) Papers may be filed by fax with the presiding officer. Filing by fax is perfected when a complete legible copy of the papers is reproduced on the presiding officer's fax machine during normal working hours, excluding weekends and holidays. If a transmission of papers commences after these office hours, the papers shall be deemed filed on the next succeeding business day.
(iii) Any papers filed by fax with the presiding officer should be accompanied by a cover page or other form identifying the party making the transmission, listing the address, telephone, and fax number of the party, identifying the adjudicative proceeding to which the papers relate, and indicating the date of and the total number of pages included in the transmission.
(iv) Papers filed by fax should not exceed fifteen pages in length, exclusive of any cover page.
(v) The party attempting to file the papers by fax bears the risk that the papers will not be timely received or legibly printed, regardless of the cause. If the fax is not received in legible form, it will be considered as if it had never been sent.
(vi) The original of any papers filed by fax should be mailed to the presiding officer within twenty-four hours of the time that the fax was sent. The presiding officer has discretion to require this.
(c) The filing of papers with the presiding officer by electronic mail ("e-mail") is not authorized without the express approval of the presiding officer and under such circumstances as the presiding officer allows.
(a) All notices, pleadings, and other papers filed with the presiding officer shall be served upon all counsel and representatives of record and upon unrepresented parties or upon their agents designated by them or by law.
(b) Service shall be made personally or, unless otherwise provided by law, by first-class, registered, or certified mail; by fax and same-day mailing of copies; or by commercial parcel delivery company.
(c) Service by mail shall be regarded as completed upon deposit in the United States mail properly stamped and addressed. Service by fax shall be regarded as completed upon production by the fax machine of confirmation of transmission. Service by commercial parcel delivery shall be regarded as completed upon delivery to the parcel delivery company, properly addressed with charges prepaid.
(3) Proof of service. Where proof of service is required by statute or rule, filing the papers with the presiding officer, together with one of the following, shall constitute proof of service:
(a) An acknowledgement of service.
(b) A certificate that the person signing the certificate served the papers upon all parties of record in the proceeding by delivering a copy thereof in person to (names).
(c) A certificate that the person signing the certificate served the papers upon all parties of record in the proceeding by:
(i) Mailing a copy thereof, properly addressed with postage prepaid, to each party to the proceeding or his or her attorney or authorized agent; or
(ii) Transmitting a copy thereof by fax, and on the same day mailing a copy, to each party to the proceeding or his or her attorney or authorized agent; or
(iii) Depositing a copy thereof, properly addressed with charges prepaid, with a commercial parcel delivery company.
[Statutory Authority: RCW 34.05.020, 34.05.250, 34.12.030 and 34.12.080. 99-20-115, § 10-08-110, filed 10/6/99, effective 11/6/99. Statutory Authority: RCW 34.05.250. 89-13-036 (Order 6), § 10-08-110, filed 6/15/89. Statutory Authority: RCW 34.04.020 and 34.04.022. 82-22-052 (Order 3), § 10-08-110, filed 11/1/82.]