Section 287 Of Chapter 2. General Provisions From California Probate Code >> Division 2. >> Part 8. >> Chapter 2.

. An interest created before January 1, 1984, that has not been accepted may be disclaimed after December 31, 1983, in the manner provided in this part, but no interest that arose before January 1, 1984, in a person other than the beneficiary may be destroyed or diminished by any action of the disclaimant taken pursuant to this part.