The Director shall notify the Commissioner when any individual is determined to be entitled to a monthly disability annuity payment pursuant to subchapter V of chapter 84 of subpart G of part III of title 5 and shall certify that such individual has provided the authorization described in subsection (f).

If the Commissioner determines that an individual described in paragraph (1) is also entitled to past-due benefits under section 423 of this title, the Commissioner shall notify the Director of such fact.

Not later than 30 days after receiving a notification described in paragraph (2) with respect to an individual, the Director shall provide the Commissioner with the total amount of any disability annuity overpayments made to such individual, as well as any other information (in such form and manner as the Commissioner shall require) that the Commissioner determines is necessary to carry out this section.

If the Director provides the Commissioner with the information described in paragraph (3) in a timely manner, the Commissioner may withhold past-due benefits under section 423 of this title to which such individual is entitled and may pay the amount described in paragraph (3) to the Office of Personnel Management for any disability annuity overpayments made to such individual.

The Director shall credit any amount received under paragraph (4) with respect to an individual toward any disability annuity overpayment owed by such individual.