555.5—Application for exemption.

[38 FR 2694, Jan. 29, 1973, as amended at 39 FR 5489, Feb. 13, 1974; 46 FR 2063, Jan. 8, 1981; 63 FR 44173, Aug. 18, 1998; 64 FR 2861, Jan. 19, 1999; 70 FR 7429, Feb. 14, 2005]