Section 286.640 - Disability retirement allowance: Cancellation1. When the recipient of a disability retirement allowance is determined by the Board to be no longer disabled, the allowance must be cancelled.2. An employee retired on account of disability whose benefit is cancelled may: (a) Apply for a refund of unused contributions;(b) Suspend the monthly benefit until eligible for service retirement; or(c) Elect a service retirement reduced for the retired employee's age if the retired employee has the service credit necessary to retire.[Part 22:181:1947; A 1949, 174; 1951, 269]-(NRS A 1975, 1057; 1981, 455)[Part 22:181:1947; A 1949, 174; 1951, 269] - (NRS A 1975, 1057; 1981, 455)