Section 89512 Of Article 4. Campaign Funds From California Government Code >> Title 9. >> Chapter 9.5. >> Article 4.

. (a) An expenditure to seek office is within the lawful execution of the trust imposed by Section 89510 if it is reasonably related to a political purpose. An expenditure associated with holding office is within the lawful execution of the trust imposed by Section 89510 if it is reasonably related to a legislative or governmental purpose. Expenditures which confer a substantial personal benefit shall be directly related to a political, legislative, or governmental purpose.
  (b) Except as expressly authorized by this article, an expenditure for a fine, penalty, judgment, or settlement is not within the lawful execution of the trust imposed by Section 89510.