Sec. 1.817-1 Taxable years affected.

Except as otherwise provided therein, sections 1.817-2 through 1.817-4 are applicable only to taxable years beginning after December 31, 1957, and all references to sections of Part I, Subchapter L, Chapter 1 of the Code are to the Internal Revenue Code of 1954, as amended by the Life Insurance Company Income Tax Act of 1959 (73 Stat. 112) and section 3 of the Act of October 23, 1962 (76 Stat. 1134).