Sections 1.803-1 through 1.803-6 are applicable only to taxable years beginning after December 31, 1953, and before January 1, 1955, and all references to sections of part I, subchapter L, chapter 1 of the Code are to the Internal Revenue Code of 1954, before amendments. [T.D. 6513, 25 FR 12660, Dec. 10, 1960]
investment income