The reassessment shall be completed and the valuations made therein certified to the county board of taxation on or before March fifteenth following the date of the original assessment for that year. The valuations so certified shall take the place for all purposes of the tax duplicates required by law to be certified by the county board and delivered to the collectors of the taxing districts on or before April first in each year. The commissioner may make such rules and issue such orders as he may deem necessary fully to effectuate the reassessment. He may also assess and add to the tax list and duplicate any property omitted and may correct misnomers or other errors in assessment on notice to the parties concerned. For the investigation the commissioner may disburse as may be necessary in counties of the first class a sum not exceeding ten thousand dollars, in counties of the second, third and fifth classes a sum not exceeding five thousand dollars and in counties of the fourth and sixth classes a sum not exceeding three thousand dollars, which shall be paid by the state treasurer from a fund to be made available for that purpose, upon the commissioner filing in his office a certificate specifying in detail the items of the disbursement.