26 CFR § 514.10
Effective date
June 25, 2020
The provisions of §§514.1 through 517.9 shall be effective with respect to taxable years beginning after December 31, 1956, and before January 1, 1967, or with respect to dividends, interest, and royalties paid before August 11, 1968.
[T.D. 6986, 34 FR 136, Jan. 4, 1969]