The specific requirements and limitations of § 1.638-1 apply on and after December 30, 1969.
[T.D. 7277, 38 FR 12742, May 15, 1973]
source: T.D. 6500, 25 FR 11737, Nov. 26, 1960; 25 FR 14021, Dec. 31, 1960, unless otherwise noted.
cite as: 26 CFR 1.638-2