California Code, Revenue and Taxation Code - RTC § 17745.1

The amendments of Sections 17742 and 17745 made at the 1963 Regular Session of the Legislature shall be applicable only with respect to taxable years beginning after December 31, 1962. Whether or not the income of a trust which is or was accumulated or is or was accumulated and distributed or accumulated and distributable is taxable by California for the years prior to 1963 shall be determined as if Sections 17742 and 17745 had not been amended at the 1963 Regular Session of the Legislature and without inferences drawn from the fact that such amendments were not made applicable with respect to taxable years beginning before January 1, 1963.