N.Y. Real Prop. Tax Law § 489-jjjj

§ 489-jjjj. Tax lien; interest rate. 1. All taxes plus interest\nrequired to be paid retroactively pursuant to this title shall\nconstitute a tax lien as of the date it is determined such taxes and\ninterest are owed. All interest shall be calculated from the date the\ntaxes would have been due but for the exemption, abatement or deferral\nclaimed pursuant to this title at three per centum above the applicable\nrate of interest imposed by such city generally for non-payment of real\nproperty tax on such date.\n 2. All taxes for which payment is deferred pursuant to section four\nhundred eighty-nine bbbb of this title shall constitute a tax lien as of\nthe date they are due and payable in accordance with the provisions of\nthat section.\n