5 CFR § 550.1110 - Debt collection centers.
A debt collection center may act in behalf of a creditor agency to collect claims via salary offset consistent with this section, subject to any limitations on its authority established by the creditor agency it represents or by the U.S. Department of the Treasury.
(a) A debt collection center may be authorized to enter into a written agreement with the indebted employee regarding the repayment schedule or, in the absence of such agreement, to establish the terms of the repayment schedule.
(b) A debt collection center may make certifications to the Secretary of the Treasury under § 550.1108 or to a paying agency under § 550.1109 based on the certifications it has received from the creditor agency or a hearing official.
(c) A debt collection center responsible for collecting a particular debt may not act in behalf of a creditor agency for the purpose of making determinations regarding the existence or amount of that debt.
(d) A debt collection center responsible for collecting a particular debt may arrange for a hearing on the existence or amount of the debt or the repayment schedule by an administrative law judge or, alternatively, another hearing official not under the supervision or control of the head of the creditor agency or the debt collection center.
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