NRS 162B.620
Application to existing relationships.
1.
Except as otherwise provided in this chapter:(a)
This chapter applies to a power of appointment created before, on or after October 1, 2017;(b)
This chapter applies to a judicial proceeding concerning a power of appointment commenced on or after October 1, 2017;(c)
This chapter applies to a judicial proceeding concerning a power of appointment commenced before October 1, 2017, unless the court finds that application of a particular provision of this chapter would interfere substantially with the effective conduct of the judicial proceeding or prejudice a right of a party, in which case the particular provision of this chapter does not apply and the superseded law applies;(d)
A rule of construction or presumption provided in this chapter applies to an instrument executed before October 1, 2017, unless there is a clear indication of a contrary intent in the terms of the instrument; and(e)
Except as otherwise provided in this subsection, an action done before October 1, 2017, is not affected by this chapter.2.
If a right is acquired, extinguished or barred on the expiration of a prescribed period that commenced under law of this State other than this chapter before October 1, 2017, the law continues to apply to the right.
Source:
Section 162B.620 — Application to existing relationships., https://www.leg.state.nv.us/NRS/NRS-162B.html#NRS162BSec620.