“Postretirement increase” means the monthly cost-of-living increase added to the monthly payments of:

1. 1. Persons receiving disability retirement allowances or service retirement allowances;
2. 2. Beneficiaries of deceased members receiving allowances; and

3. 3. Persons receiving monthly benefits for survivors,

   pursuant to the terms of this chapter.

(Added to NRS by 1975, 1028; A 1979, 255)