Section 21501 Of Chapter 1. General Provisions From California Probate Code >> Division 11. >> Part 5. >> Chapter 1.

. (a) This part applies to a distribution made on or after January 1, 1988, whether the transferor died before, on, or after that date.
  (b) A distribution made on or after January 1, 1983, and before January 1, 1988, is governed by the applicable law in effect before January 1, 1988.