[Code of Federal Regulations] [Title 49, Volume 7] [Revised as of October 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR821.13] [Page 164] TITLE 49--TRANSPORTATION CHAPTER VIII--NATIONAL TRANSPORTATION SAFETY BOARD PART 821_RULES OF PRACTICE IN AIR SAFETY PROCEEDINGS--Table of Contents Subpart B_General Rules Applicable to Petitions for Review, Appeals to the Board, and Appeals From Law Judges Initial Decisions and Appealable Orders Sec. 821.13 Waivers. Waivers of any rights provided by statute or regulation shall either be in writing or by stipulation made at the hearing and entered into the record, and shall set forth the precise terms and conditions of the waiver.