N.Y. SCT Law § 45-C

§ 45-c. Tax sales in October of the years nineteen hundred forty,\nnineteen hundred forty-one, nineteen hundred forty-two and in November\nnineteen hundred forty-three, nineteen hundred forty-four, nineteen\nhundred forty-five, nineteen hundred forty-six, nineteen hundred\nforty-seven, nineteen hundred forty-eight and nineteen hundred\nforty-nine, validated. The sale of real estate for unpaid taxes in the\ncounty of Suffolk held by the county treasurer in October of the years\nnineteen hundred forty, nineteen hundred forty-one, nineteen hundred\nforty-two, and November nineteen hundred forty-three, nineteen hundred\nforty-four, nineteen hundred forty-five, nineteen hundred forty-six,\nnineteen hundred forty-seven, nineteen hundred forty-eight and nineteen\nhundred forty-nine and certificates of sale and deeds issued thereon to\npurchasers including such county are hereby validated and confirmed in\nso far as their validity might otherwise have been affected or may be\nquestioned by reason of lack of statutory authority with respect to the\nform and substance of the notice of sale, conditions and manner in which\nthe several parcels were offered for sale, the basis on which bids were\npermitted, made and accepted and especially insofar as there may have\nbeen any failure whatsoever to comply with all or any of the provisions\nof section twenty-two of the Suffolk county tax act as amended by\nchapter one hundred eighty-seven of the laws of nineteen hundred\nthirty-one.\n