La. R.S. 47:287.625 — Computations on returns or other documents

A. Amounts shown on Department of Revenue forms. The secretary is authorized to provide, with respect to any amount required to be shown on a form prescribed for any return, statement, or other document, that if such amount of such item is other than a whole-dollar amount, either:
(1) The fractional part of a dollar shall be disregarded; or
(2) The fractional part of a dollar shall be disregarded unless it amounts to one-half dollar or more, in which case the amount, determined without regard to the fractional part of a dollar, shall be increased by one dollar.
B. Election not to use whole dollar amounts. Any person making a return, statement, or other document shall be allowed to make such return, statement, or other document without regard to Subsection A.
C. Inapplicability to computation of amount. The provisions of Subsections A and B shall not be applicable to items which must be taken into account in making the computations necessary to determine the amount required to be shown on a form, but shall be applicable only to such final amount.