Section 846.402 - Refunds of all CSRS contributions(a) An individual who elects to transfer to FERS is entitled to a refund of all CSRS contributions in accordance with the provisions of part 831, subpart T of this chapter.(b) An application for refund of FERS retirement contributions under § 843.202 of this chapter is deemed to also be an application for refund of CSRS retirement contributions under part 831, subpart T of this chapter.