[Code of Federal Regulations] [Title 49, Volume 5, Parts 400 to 999] [Revised as of October 1, 1998] From the U.S. Government Printing Office via GPO Access [CITE: 49CFR835.1] [Page 1107] TITLE 49--TRANSPORTATION CHAPTER VIII--NATIONAL TRANSPORTATION SAFETY BOARD PART 835--TESTIMONY OF BOARD EMPLOYEES--Table of Contents Sec. 835.1 Purpose. This part prescribes the policies and procedures regarding the testimony of employees of the National Transportation Safety Board (Board) in suits or actions for damages and criminal proceedings arising out of transportation accidents. The purpose of this part is to ensure that the time of Board employees is used only for official purposes, to avoid embroiling the Board in controversial issues that are not related to its duties, to avoid spending public funds for non-Board purposes, to preserve the impartiality of the Board, and to prohibit the discovery of opinion testimony.