26 C.F.R. § 20.2045-1 Applicability to pre-existing transfers or interests.
Title 26 - Internal Revenue
Sections 2034 through 2042 are applicable regardless of when the interests and events referred to in those sections were created or took place, except as otherwise provided in those sections and the regulations thereunder. [T.D. 6334, 23 FR 8904, Nov. 15, 1958; 25 FR 14021, Dec. 31, 1960. Redesignated by T.D. 8522, 59 FR 9646, Mar. 1, 1994]
Title 26: Internal Revenue
PART 20—ESTATE TAX; ESTATES OF DECEDENTS DYING AFTER AUGUST 16, 1954
Gross Estate
§ 20.2045-1 Applicability to pre-existing transfers or interests.

