42 C.F.R. § 21.75
(a) Service of notice.
(1) An authorized person shall serve on the designated official of the Department a signed notice including:
(6) Upon proper service of notice of delinquent support payments and together with all required supplementary documents and information, the Service shall identify the officer from whom moneys are due and payable. The pay of the officer shall be reduced by the amount necessary to comply with the support order and liquidate arrearages if any, if provided by order of a court or duly authorized administrative agency. The maximum amount to be alloted under the provision together with any other moneys withheld from the officer for support pursuant to a court order may not exceed:
(b) Disposable earnings.
(1) The following moneys, as defined in the U.S. Public Health Service Commissioned Corps Personnel Manual, are subject to inclusion in computation of the officer's disposable earnings:
(c) Exclusions. The following moneys are excluded from the computation of the officer's disposable earnings. Amounts due from or payable by the United States shall be offset by any amounts:
(2) Required by law to be deducted from the remuneration or other payment involved including but not limited to:
(d) Officer Notification.
(1) As soon as possible, but not later than 30 calendar days after the date of receipt of notice, the Commissioned Personnel Operations Division shall send to the officer at his or her duty station, written notice:
(3) If possible, the Commissioned Personnel Operations Division shall provide the officer with the following:
(e) Lack of money.
(g) Designated official. Department of Health and Human Services, General Counsel, Room 5362 North Building, 330 Independence Avenue, SW., Washington, DC 20201.
(Approved by the Office of Management and Budget under control number 0937-0123)