[Code of Federal Regulations] [Title 26, Volume 8] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 26CFR1.818-7] [Page 689] TITLE 26--INTERNAL REVENUE CHAPTER I--INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) Determination of Tax Liability--Table of Contents Sec. 1.818-7 Denial of double deductions. Section 818(f) provides that the same item may not be deducted more than once under subpart B, part I, subchapter L, chapter 1 of the Code (relating to the determination of taxable investment income), and more than once under subpart C, part I, subchapter L, chapter 1 of the Code (relating to the determination of gain or loss from operations). [T.D. 6558, 26 FR 2790, Apr. 4, 1961]