Section 9. No taxes shall be imposed by the State upon any lands or other property now owned or hereafter acquired by the United States, except as the same shall become taxable by reason of disposition thereof by the United States or by reason of the consent of the United States to such taxation. [Ren Const Con 1968 and election Nov 5, 1968; ren and am Const Con 1978 and election Nov 7, 1978]