Cal. Gov't Code § 89511.5

(a) An incumbent elected officer may utilize the incumbent elected officer’s personal funds for expenditures authorized by subdivision (b) of Section 89510 without first depositing those funds in the incumbent elected officer’s controlled committee’s campaign bank account, if both of the following conditions are met:
1. (1) The expenditures are not campaign expenses.
2. (2) The treasurer of the committee is provided with a dated receipt and a written description of the expenditure.
(b) An incumbent elected officer may be reimbursed for expenditures of the incumbent elected officer’s personal funds, from either the controlled committee campaign bank account established pursuant to Section 85201 with respect to election to the incumbent term of office, or from a controlled committee campaign bank account established pursuant to Section 85201 with respect to election to a future term of office, if all of the following conditions are met:
1. (1) The expenditures are not campaign expenses.
2. (2) The incumbent elected officer, prior to reimbursement, provides the treasurer of the committee with a dated receipt and a written description of each expenditure.
3. (3) Reimbursement is paid within 90 days of the expenditure, in the case of a cash expenditure, or within 90 days of the end of the billing period in which it was included, in the case of an expenditure charged to a credit card or charge account.
(c) When the elected officer’s controlled committee is notified that expenditures totaling one hundred dollars ($100) or more in a fiscal year have been made by the incumbent elected officer, the committee shall report, pursuant to subdivision (k) of Section 84211, the expenditures on the campaign report for the period in which the expenditures were made and the reimbursements on the campaign report for the period in which the reimbursements were made.
(d) If reimbursement is not paid within the time authorized by this section, the expenditure shall be reported on the campaign report as a nonmonetary contribution received on the 90th day after the expenditure is paid, in the case of a cash expenditure, or within 90 days of the end of the billing period in which it was included, in the case of an expenditure charged to a credit card or charge account.
(e) This section shall not be construed to authorize an incumbent elected officer to make expenditures from any campaign bank account for expenses other than those expenses associated with the incumbent elected officer’s election to the specific office for which the account was established and expenses associated with holding that office.