The provisions of FAR 31.201-5 shall apply to income, rebates and other credits resulting from benefit payments that include, but are not limited to -

(a) Uncashed and returned checks.

(b) Refunds attributable to litigation with regard to payments of FEGLI Program life insurance monies.

(c) Erroneous benefit payment, refunds, overpayment, and duplicate payment recoveries.

(d) Escheatments.