[Code of Federal Regulations] [Title 29, Volume 9] [Revised as of July 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 29CFR1955.15] [Page 136] TITLE 29--LABOR CHAPTER XVII--OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION, DEPARTMENT OF LABOR (CONTINUED) PART 1955_PROCEDURES FOR WITHDRAWAL OF APPROVAL OF STATE PLANS --Table of Contents Subpart B_Notice of Formal Proceeding Sec. 1955.15 Manner of service and filing. (a) Service of any document upon any party may be made by personal delivery of, or by mailing a copy of the document by certified mail, to the last known address of the party or his representative. The person serving the document shall certify to the manner and date of service. (b) In addition to serving a copy of any documents upon the parties, the original and two copies of each document shall be filed with the administrative law judge. With respect to exhibits and transcripts, only originals or certified copies need be filed.