Tex. Const. art. 3, § 51g

SOCIAL SECURITY COVERAGE OF PROPRIETARY EMPLOYEES OF POLITICAL SUBDIVISIONS. The Legislature shall have the power to pass such laws as may be necessary to enable the State to enter into agreements with the Federal Government to obtain for proprietary employees of its political subdivisions coverage under the old-age and survivors insurance provisions of Title II of the Federal Social Security Act as amended. The Legislature shall have the power to make appropriations and authorize all obligations necessary to the establishment of such Social Security coverage program. (Added Nov. 2, 1954.)