107.502—General registration requirements.

[Amdt. 107-20, 54 FR 25003, June 12, 1989; 55 FR 37047, Sept. 7, 1990, as amended by Amdt. 107-22, 55 FR 39978, Oct. 1, 1990; Amdt. 107-23, 56 FR 66157, Dec. 20, 1991; Amdt. 107-28, 58 FR 46873, Sept. 3, 1993; Amdt. 107-39, 61 FR 51337, Oct. 1, 1996; 67 FR 61011, Sept. 27, 2002; 68 FR 19273, Apr. 18, 2003; 72 FR 55683, Oct. 1, 2007]