California Code, Government Code - GOV § 53393.6

(a) If the legislative body elects to pledge the revenues described in Section 53393, it shall require both of the following by ordinance:

(b) If the legislative body elects to pledge the revenues described in Section 53393, the county auditor shall pay the property tax revenues described in subdivision (a) of Section 53392 into the bond reserve fund established pursuant to paragraph (2) of subdivision (a), rather than into the Bond Payment Fund as provided by subdivision (a) of Section 53392.  The county auditor shall make those payments to the bond reserve fund only if that fund has unencumbered balances at the beginning of the payment period in an amount less than the amount necessary to pay the principal and interest on the bonds for the next fiscal year.  The county auditor shall pay any amount of property tax revenues which exceed the amount necessary for this purpose into the general fund of the city or county.