2018 New York Laws
RPT - Real Property Tax
Article 15 - Special Provisions Relating to Certain Assessing Units
1506 - Penalty and Interest Payments in Cities and Towns in Rensselaer County.

§  1506.  Penalty  and  interest  payments  in  cities  and  towns  in
  Rensselaer county. Notwithstanding the  provisions  of  any  general  or
  special  law to the contrary, the following scale of penalties is hereby
  prescribed for the neglect to pay the county, or town taxes, special  ad
  valorem  levies or special assessments in cities and towns in Rensselaer
  county: if not paid on or before or during the  period  of  thirty  days
  after  the  mailing  of  the  tax  bills  by  the collecting official or
  February fifteenth, whichever date shall be the earlier after the notice
  required by section nine hundred twenty of this chapter, one per  centum
  except in towns of the first class and those towns in which a town clerk
  acts  as collecting officer, in which towns there shall be no penalty or
  interest; if paid thereafter and before the last day of March,  two  per
  centum  in  all cities and towns; if paid thereafter and before the last
  day of April, three  per  centum  in  all  cities  and  towns;  if  paid
  thereafter and before the last day of May, four per centum in all cities
  and  towns; if paid thereafter and before the last day of June, five per
  centum in all cities and towns; if paid thereafter and before  the  last
  day  of  July, six per centum in all cities and towns; if paid after the
  first of August and before the last day of September, eight  per  centum
  in  all  cities  and towns and if paid thereafter after the first day of
  October and the last day of November, ten per centum in all  cities  and
  towns,  together with expenses of publication of tax sale advertising as
  now allowed by law.