[Code of Federal Regulations] [Title 29, Volume 4] [Revised as of July 1, 2006] From the U.S. Government Printing Office via GPO Access [CITE: 29CFR1202.4] [Page 12] TITLE 29--LABOR CHAPTER X--NATIONAL MEDIATION BOARD PART 1202_RULES OF PROCEDURE--Table of Contents Sec. 1202.4 Secret ballot. In conducting such investigation, the Board is authorized to take a secret ballot of the employees involved, or to utilize any other appropriate method of ascertaining the names of their duly designated and authorized representatives in such manner as shall insure the choice of representatives by the employees without interference, influence, or coercion exercised by the carrier.