In the payment of any tax imposed by this title, a fractional part of a cent shall be disregarded unless it amounts to one-half cent or more, in which case it shall be increased to 1 cent.
(Aug. 16, 1954, ch. 736, 68A Stat. 778; Pub. L. 94–455, title XIX, § 1906(a)(19), Oct. 4, 1976, 90 Stat. 1825.)