(a) This Part is effective as of August 25, 1999.
(b) Compliance with the following sections is mandatory as of August 25, 1999: Sec. Sec. 258.1, 258.2, 258.3, 258.4, 258.5(a), 258.5(b), and 258.6.
(c) Compliance with Sec. 258.5(c) is mandatory as of March 15, 2000. [64 FR 46821, Aug. 27, 1999]