27 C.F.R. § 26.262
(c) Where credit against the tax is desired, the person liable for the tax shall establish an effective tax rate in accordance with § 26.262a. The effective tax rate established will be applied to each withdrawal or other disposition of the distilled spirits within the United States.
(Approved by the Office of Management and Budget under control number 1512-0352)
(Sec. 201, Pub. L. 85-859, 72 Stat. 1356, as amended (26 U.S.C. 5201); Sec. 6, Pub. L. 96-598, 94 Stat. 3488, as amended (26 U.S.C. 5010), Act of August 16, 1954, Pub. L. 591, 68A Stat. 907, as amended (26 U.S.C. 7652))
[T.D. ATF-297, 55 FR 18068, Apr. 30, 1990. Redesignated and amended by T.D. ATF-459, 66 FR 38550, 38552, July 25, 2001]