California Code, Revenue and Taxation Code - RTC § 6487.2

(a) A notice of determination issued pursuant to Section 6486, 6515, or 6536 to an individual who was a general partner, as shown on the department's records, and who, prior to the period covered by the determination, withdrew from the partnership, causing a change in ownership, and failed to notify the department, shall be served within four years after the last day of the calendar month following the quarterly period in which the change of ownership occurred.

(b) An individual who was a general partner, as shown on the department's records, who withdraws from a partnership without notifying the department of the change in ownership, shall not be liable for any unpaid, self-assessed liability of the partnership that becomes due at least three years after the last day of the calendar month following the quarterly period in which the change in ownership occurred.

(c) Subdivisions (a) and (b) shall not apply to either of the following:

(d) For purposes of this part, change in ownership means that a new “person,” as defined in Section 6005, is created by the action of the former owner by means of a sale, an incorporation, an addition or elimination of one or more partners, or the termination of a spouse's ownership or community property interest due to legal separation or divorce.

(e) For purposes of this section, “individual” includes only natural persons.