[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR148.273] [Page 191] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 148--GENERAL--Table of Contents Subpart C--Application Proceeding Sec. 148.273 Filing. (a) A document is filed in a proceeding when it meets the requirements in Sec. 148.269 and is deposited in the mail or, if not mailed, is received by the clerk. (b) If the clerk receives a document that does not comply with Sec. 148.269 he returns it to the person who submitted it with a statement of reasons for the return. (c) Filing by mail must be by certified mail.