[Code of Federal Regulations] [Title 29, Volume 2] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 29CFR457.20] [Page 213] TITLE 29--LABOR CHAPTER IV--OFFICE OF LABOR-MANAGEMENT STANDARDS, DEPARTMENT OF LABOR PART 457_GENERAL--Table of Contents Subpart B_Meaning of Terms as Used in This Chapter Sec. 457.20 Intervenor. Intervenor means a party in a proceeding whose intervention has been permitted or directed by the Assistant Secretary, Chief Administrative Law Judge, or Administrative Law Judge, as the case may be.