whichever is most beneficial to the justice or judge or his or her survivor, as determined by the justice or judge at the time of retirement or the time at which the justice or judge becomes disabled, or as determined by his or her survivor at the time of his or her death, unless the justice or judge is a member of the Public Employees' Retirement System. If the justice or judge is a member of the Public Employees' Retirement System, the justice or judge will remain a member unless the justice or judge withdraws from the Public Employees' Retirement System pursuant to NRS 1A.280, if eligible to do so. A survivor may not change a determination that affects the survivor and which was made by a justice or judge pursuant to this section while the justice or judge was alive.
NRS 1A.270