6939.13. Any additional revenues over and above the amounts required to be deposited in the interest fund and the sinking fund, may be deposited in an operation fund, herein designated as 'operation fund,' to be applied to the costs of operation and maintenance, including reasonable repairs, depreciation and capital improvements of the particular revenue-producing harbor improvement acquired, constructed, improved or extended by the issuance and sale of the bonds.(Added by Stats. 1961, Ch. 1457.)
California Legal Code