Nev. Rev. Stat. § 616C.473
1. If a claimant or a dependent of a claimant is entitled to receive compensation pursuant to chapters 616A to 617, inclusive, of NRS for a permanent total disability caused by an industrial injury or a disablement from an occupational disease that occurs on or after January 1, 2004, the claimant or dependent is entitled to an annual increase in that compensation in the amount of 2.3 percent. The compensation must be increased pursuant to this subsection:
2. If a claimant or a dependent of a claimant is entitled to receive compensation pursuant to chapters 616A to 617, inclusive, of NRS for a permanent total disability caused by an industrial injury or a disablement from an occupational disease that occurred before January 1, 2004, the claimant or dependent is entitled to an annual increase in that compensation in the amount of 2.3 percent. The compensation must be increased pursuant to this subsection:
(Added to NRS by 2003, 490; A 2019, 3438)