(a) The Commissioner of Finance may deduct from the salary of any officer or employee of the Government of the United States Virgin Islands or instrumentality thereof such amounts as such officer or employee authorizes in writing filed with the Commissioner, for (1) the purchase, on behalf of such officer or employee, of United States Saving Bonds; or (2) payment of any indebtedness due to the Government of the United States Virgin Islands or any instrumentality thereof, including income tax liability, hospital or medical bills, and loans; or (3) for any other purpose, including payments to credit unions of such officer and employees, which the Governor shall find to be consistent with the public interest and the convenience of the Government and such officers and employees.
(b) The Commissioner of Finance may make and issue such rules and regulations governing the purchases referred to in subsection (a) of this section as he deems necessary, which shall be incorporated in the officer's or employee's written authorization.