An ``overpayment'' is any amount of compensation paid under sections 7384s, 7384t, 7384u, 7385s-2 or 7385s-3 of the EEOICPA to a recipient that constitutes, as of the time OWCP makes such payment:
(a) Payment where no amount is payable under this part; or
(b) Payment in excess of the correct amount determined by OWCP.