N.Y. RPT Law § 975

§ 975. Owner of real property may elect to pay taxes in installments.\n1. Upon receipt of the statement of taxes, an owner of real property may\nelect to pay the total amount of the taxes set forth in such statement\nwithout regard to this title; or he may elect to pay such taxes in\ninstallments as provided in the local law enacted pursuant to section\nnine hundred seventy-two of this chapter.\n 2. If the owner is eligible to participate in the installment\nprogram, and elects to do so, he or she shall pay to the collecting\nofficer the amount set forth in such statement and designated as "first\ninstallment". The amount of each succeeding installment shall be paid\nto the county treasurer on or before the date specified in the local law\nenacted by the county pursuant to section nine hundred seventy-two of\nthis chapter.\n 3. If any such installment is not paid on or before the date when\ndue, interest shall be added to the amount of any such installment at\nthe rate as determined pursuant to section nine hundred twenty-four-a of\nthis chapter, or such other law as may be locally applicable, for each\nmonth or part thereof until paid. No such installment may be paid\nunless all prior installments of current taxes, including interest,\nshall have been paid or shall be paid at the same time.\n 4. The owner of real property who elects to pay taxes in installments\nas provided in this section shall indicate his election by remitting the\namount of the first installment to the collecting officer on or before\nthe date upon which it is due or not later than within five days\nthereafter; provided, however, that in the event the amount of the first\ninstallment is paid after the date upon which it was due, the interest\nrate set forth in subdivision three of this section shall apply.\n 5. The failure or neglect by an owner of real property to pay the\nfirst installment as provided in subdivision four of this section shall\nbe construed as an election by such owner to pay the total amount of\ntaxes in one payment in the manner provided by law.\n 6. The county treasurer of a county which has enacted a local law\npursuant to section nine hundred seventy-two of this chapter may\npromulgate and amend suitable rules and regulations prescribing the\nnecessary forms for carrying into effect the provisions of this title\nand of article thirteen of this chapter relating to the installment\npayment of taxes.\n