In the event that there are insufficient funds to discharge all claims and accounts brought pursuant to Section 6083, the board of supervisors shall, at the time of levying the next general county taxes, make a special assessment upon the net acreage devoted to the growing of cotton which was benefited from the dissolved district sufficient in amount to discharge all outstanding claims and accounts against the district. Properties which received special benefits for which additional permit fees where paid in the last year of district operation shall have an additional pro rata charge made upon the net acreage

affected.