Whenever the board shall call for redemption any bonds which by their terms are subject to call and redemption at the option of the district at a premium, then, unless district funds are otherwise available for payment of such premium, the board shall request the board of supervisors to order an additional or supplemental assessment to be made as provided in Section 51300 sufficient to pay the premium on the bonds so called for redemption.
Source:
Section 51301.5, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=WAT§ionNum=51301.5..