Oklahoma constitution
Article X: revenue and taxation
Section 33

(1) Any remainder available from the two cents (2¢) of the tax on each package of cigarettes as heretofore provided and defined in Article X, Section 31 of the Constitution of the State of Oklahoma, after the annual requirements for principal and interest on the indebtedness created pursuant to said Section have been fully met, until such indebtedness created by said Section has been fully paid and retired, and thereafter, the full amount of said two cents (2¢) of the cigarette tax so provided, or so much thereof as may be required, until the indebtedness herein authorized to be created is fully paid and retired; (2) An additional three cents (3¢) of the tax now imposed, or which may hereafter be imposed, on each package of cigarettes containing more than twenty (20) cigarettes, or so much of said additional three cents (3¢) as may be necessary; (3) Any funds available in the Public Building Fund of the State, not otherwise encumbered, or funds available in other funds of the State not created or realized from ad valorem tax sources; (4) The proceeds of any tax which the Legislature may impose and collect for the purpose of paying the principal and interest on the indebtedness herein authorized to be created, if the funds available for use and pledge under (1), (2), and (3) above should be insufficient; provided, that the Legislature shall never impose or collect an ad valorem tax for the purpose of paying any part of the principal or interest on the indebtedness herein authorized to be incurred.