(a) Amendment No. 257. The program change to Sec. 279.3(a)(4) shall be effective September 14, 1984.
(b) Amendment No. 274. The program change of Amendment No. 274 at Sec. 279.10(d) is effective retroactively to December 23, 1985.
(c) Amendment No. 334. The program changes made to part 279 by this amendment are effective February 1, 1992. [Amdt. 257, 49 FR 32539, Aug. 15, 1984; Amdt. 262, 49 FR 50598, Dec. 31, 1984, as amended by Amdt. 274, 51 FR 18752, May 21, 1986; Amdt. 334, 57 FR 3913, Feb. 3, 1992. Redesignated at 68 FR 41053, July 10, 2003]