(a) The plan's obligations to a participant, beneficiary, or nonparticipant spouse who elected a lump sum distribution cease upon distribution of the lump sum benefit.
(1) Deposit in the United States mail of a warrant drawn in favor of the participant, beneficiary, or nonparticipant spouse and addressed to the latest address on file for that person constitutes distribution of the benefit.
(2) Deposit in the United States mail of a notice that the requested electronic funds transfer has been made as directed by the participant, beneficiary, or nonparticipant spouse constitutes distribution of the benefit.
(3) If the participant, beneficiary, or nonparticipant spouse has elected on a form prescribed by the Board to transfer all or a specific portion of the account that is eligible for a direct trustee-to-trustee under Title 26, Section 401, subsection (a), paragraph (31) of the United States Code to the trustee of a qualified plan under Title 26, Section 401 of the [United] States Code, deposit in the United States mail of a notice that the requested transfer has been made constitutes distribution of the benefit.
(b) The plan's obligations to a participant or beneficiary who elected to receive a benefit in the form of partial distributions cease upon distribution of the final payment.
(1) Deposit in the United States mail of a warrant drawn in favor of the participant, beneficiary, or nonparticipant spouse and addressed to the latest address on file for that person constitutes distribution of the benefit.
(2) Deposit in the United States mail of a notice that the requested electronic funds transfer has been made as directed by the participant, beneficiary, or nonparticipant spouse constitutes distribution of the benefit.
(c) Distribution under subsections (a) or (b) pursuant to the Board's determination in good faith of the existence, identity, or other facts relating to entitlement of persons constitutes a complete discharge and release of the Board, system and plan from liability for payments.