A. Except as otherwise provided in this chapter, on and after July 1, 2016:
1. This chapter applies to a power of appointment created before, on, or after July 1, 2016;
2. This chapter applies to a judicial proceeding concerning a power of appointment commenced on or after July 1, 2016;
3. This chapter applies to a judicial proceeding concerning a power of appointment commenced before July 1, 2016, 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or prejudice a right of a party, in which case the particular provision of this chapter does not apply and the superseded law applies;
4. A rule of construction or presumption provided in this chapter applies to an instrument executed before July 1, 2016, unless there is a clear indication of a contrary intent in the terms of the instrument; and
5. Except as otherwise provided in subdivisions 1 through 4, an action done before July 1, 2016, is not affected by this chapter.
B. If a right is acquired, extinguished, or barred on the expiration of a prescribed period that commenced under law of the Commonwealth other than this chapter before July 1, 2016, the law continues to apply to the right.