The county treasurer or, if another officer is specified by law, that other officer shall make the deductions from, or take other similar actions with regard to, the compensation of county employees as required:
(1) for employee contributions for coverage under the federal social security program in accordance with Chapter 606, Government Code;
(2) for the purchase of annuities or for contributions to investments for employees in accordance with Chapter 22, Acts of the 57th Legislature, 3rd Called Session, 1962 (Article 6228a-5, Vernon's Texas Civil Statutes);
(3) for the purchase of United States savings bonds for employees in accordance with Chapter 608, Government Code;
(4) for employee participation in a deferred compensation plan in accordance with Chapter 609, Government Code; or
(5) for employee contributions to a retirement system in accordance with Section 845.403, Government Code.