1.22—Structure.

[Amdt. 1-261, 59 FR 10061, Mar. 3, 1994, as amended by Amdt.1-268, 60 FR 14226, Mar. 16, 1995; Amdt. 1-269, 60 FR 15877, Mar. 28, 1995; Amdt. 1-274, 60 FR 62762, Dec. 7, 1995; Amdt. 1-290, 62 FR 51804, Oct. 3, 1997; 68 FR 34549, June 10, 2003; 70 FR 8300, Feb. 18, 2005]