Sec. 3. EMPLOYEES: TRANSFER, APPOINTMENT, DUTIES, QUALIFICATIONS AND COMPENSATION. All personnel employed in the Social Security Division of the State Department of Public Welfare are transferred to the Employees Retirement System of Texas. The system shall appoint all employees and shall prescribe their duties and qualifications for employment. The salaries and compensations of all employees shall be fixed by the Employees Retirement System of Texas commensurate with prevailing rates for similar state positions.