Cal. Rev. & Tax. Code § 24306
(a) For purposes of this section, the following terms have the following meanings, as provided in the Golden State Scholarshare Trust Act (Article 19 (commencing with Section 69980) of Chapter 2 of Part 42 of the Education Code):
(b) For taxable years beginning on or after January 1, 1998, and before January 1, 2002, except as otherwise provided in subdivision (c), gross income of a participant shall not include any of the following:
(c) For taxable years beginning on or after January 1, 1998, and before January 1, 2002:
(1) Any distribution under a Scholarshare trust participation agreement shall be includable in the gross income of the distributee in the manner as provided under Section 72 of the Internal Revenue Code, as modified by Section 24272.2, to the extent not excluded from gross income under any other provision of this part. For purposes of applying Section 72 of the Internal Revenue Code, the following apply:
(4)