28.18—Filing a petition with the Board.

Code of Federal Regulations

[58 FR 61992, Nov. 23, 1993, as amended at 59 FR 59106, Nov. 16, 1994; 61 FR 9090, Mar. 7, 1996; 61 FR 36810, July 15, 1996; 65 FR 80280, Dec. 21, 2000; 68 FR 69300, Dec. 12, 2003]