April, three per centum; if paid thereafter and on or before the last day of May, four per centum; if paid thereafter five per centum and if paid to the county treasurer at the rate of interest as determined pursuant to section nine hundred twenty-four-a of this chapter from June first to the date of tax sale with expenses of publication now allowed by law, and the form of notice prescribed by section nine hundred twenty of this chapter shall be made to conform to the provisions of this section by the collecting officers in Dutchess county.
N.Y. Real Prop. Tax. Law § 1504