California Code, Education Code - EDC § 27301

(a) The plan's obligations under this part to a participant or beneficiary who elected to receive a benefit in the form of an annuity, cease upon distribution of the final monthly payment of the annuity.

(b) Deposit in the United States mail of a warrant drawn as directed by the participant or beneficiary and addressed as directed by the participant or beneficiary constitutes distribution of the benefit under this part.

(c) Deposit in the United States mail of a notice that the requested electronic funds transfer has been made as directed by the participant or beneficiary constitutes distribution of the benefit under this part.

(d) Distribution under subdivision (b) or (c) 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 under this part.