Whenever any loan is made to any special improvement district fund from the special improvement district revolving fund, such revolving fund shall have a lien therefor on all unpaid assessments and installments of assessments on such district, whether delinquent or not, and on all moneys thereafter coming into such district fund, to the amount of such loan, together with interest thereon from the time such loan was made at the rate, or percentage, born by the bond or warrant for payment of which, or of interest thereon, such loan was made; whenever there shall be money in any district fund to which such loan has been made, which are not required for payment of any bond or warrant, or of interest thereof, of such district, sufficient of such money as may be necessary to pay such loan shall, by resolution of the city council, be transferred to the revolving fund. (Ord. 187 § 6, 1953)