[Code of Federal Regulations] [Title 26, Volume 1] [Revised as of April 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 26CFR1.263(c)-1] [Page 456] TITLE 26--INTERNAL REVENUE CHAPTER I--INTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED) PART 1_INCOME TAXES--Table of Contents Sec. 1.263(c)-1 Intangible drilling and development costs in the case of oil and gas wells. For rules relating to the option to deduct as expenses intangible drilling and development costs in the case of oil and gas wells, see Sec. 1.612-4.