D.C. Mun. Regs. tit. 22-B, § 8804
8804.1 Policy: The PBC shall deduct from employees' pay amounts legally required by law and voluntarily agreed to by the employee.
8804.2 Procedures which apply are as follows:
(a) The Payroll Department shall make the deductions as legally required by law without permission of the employee (i.e., federal and state withholdings, social security withholding, garnishments, liens);
(b) Voluntary payroll deduction will take effect with the written permission of the employee. Examples are as follows:
(1) Union dues and initiation fees;
(2) Premiums for insurance beyond that paid for by PBC;
(3) Tax sheltered annuity contributions;
(4) Charitable contributions;
(5) Supplemental life insurance; and
(6) US Savings Bonds.
(c) Payroll deductions shall be itemized on the employee's pay stub.
SOURCE: Final Rulemaking published at 45 DCR 7353, 7405 (October 9, 1998).