6 CFR § 11.3 - Demand for payment.
(a)Notice requirements. Generally, before DHS starts the collection actions described in this subpart, DHS sends a written notice to the debtor under 31 CFR 901.2. The notice provided under this section includes notice of any and all actions DHS may take to offset the debt, including any notices required under 31 CFR parts 285, 900-904.
(b)Exceptions to notice requirements. DHS may omit from any notice to a debtor any provision that is not legally required given the collection remedies to be applied to a particular debt.