Louisiana Revised Statutes Tit. 33, § 462. Expenditures pursuant to appropriation; warrants

All expenditures of money for any purpose whatever shall be in pursuance of a specific appropriation made by order and in no other manner and shall be made in accordance with the provisions of R.S. 38:2211 et seq. Every warrant drawn on the treasury shall express on its face to whom issued and for what purpose allowed; and the ordinance authorizing its issue shall be cited by minute book and page, in or upon it.