26 C.F.R. § 301.6313-1 Fractional parts of a cent.
Title 26 - Internal Revenue
In the payment of any tax not payable by stamp, 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 one cent. Fractional parts of a cent shall not be disregarded in the computation of taxes.
Title 26: Internal Revenue
PART 301—PROCEDURE AND ADMINISTRATION
Collection
General Provisions
§ 301.6313-1 Fractional parts of a cent.
