‘Retired justice or judge’ means a justice of the Supreme Court, judge of the Court of Appeals, district judge, justice of the peace or municipal judge who was a member of the Judicial Retirement Plan at the time he or she retired or a justice of the Supreme Court, judge of the Court of Appeals or district judge who decides, pursuant to NRS 1A.270 or 1A.280, to receive benefits for retirement pursuant to the Judicial Retirement Plan.