26 CFR 1.263 - Intangible drilling and development costs in the case of oil and gas wells.

Regulations last checked for updates: Feb 12, 2026

Title 26 - Internal Revenue last revised: Jan 15, 2026

§ 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 § 1.612-4.

authority: 26 U.S.C. 7805,unless

source: T.D. 6500, 25 FR 11402, Nov. 26, 1960; 25 FR 14021, Dec. 31, 1960, T.D. 9381, 73 FR 8604, Feb. 15, 2008, unless otherwise noted.

cite as: 26 CFR 1.263