26 CFR § 1.43-7 - Effective date of regulations.

The provisions of §§ 1.43–1, 1.43–2 and 1.43–4 through 1.43–7 are effective with respect to costs paid or incurred after December 31, 1991, in connection with a qualified enhanced oil recovery project. The provisions of § 1.43–3 are effective for taxable years beginning after December 31, 1990. For costs paid or incurred after December 31, 1990, and before January 1, 1992, in connection with a qualified enhanced oil recovery project, taxpayers must take reasonable return positions taking into consideration the statute and its legislative history.

[T.D. 8448, 57 FR 54931, Nov. 23, 1992]