ยง  429.  Real property used for professional major league sports. Real
  property within a city having a population of one million or more,  used
  by both a professional major league hockey team which is a member of the
  National  Hockey  League and a professional major league basketball team
  which is a member of the National Basketball Association to  play  their
  home  games  shall  be exempt from taxation to the extent said taxes are
  the obligation by lease or otherwise of the  owners  of  franchises  for
  such  teams,  provided  that  such owners enter into a written agreement
  with the chief executive officer  of  the  municipality  in  which  such
  property  is  located  to play their home games within such municipality
  for a period of at  least  ten  consecutive  years.  The  tax  exemption
  provided  herein  shall be granted to real property being used, in whole
  or in part, for the aforesaid purposes on the  date  such  agreement  is
  executed and shall apply to taxes which become due and payable after the
  aforestated  agreement  is  executed  and shall continue with respect to
  such property as long as both  of  said  teams  play  their  home  games
  therein  and  no  longer. Such exemption shall not apply with respect to
  any improvement to such property made after the date such  agreement  is
  executed  which  improvement is not used for the provision of facilities
  or services related to sports, entertainment,  expositions,  conventions
  or  trade  shows. If one or both of said teams shall cease to play their
  home games in said property at any  time,  the  tax  exemption  provided
  herein  shall  cease  immediately and such property shall immediately be
  restored to the tax rolls and thereupon become subject to  taxation  and
  shall be taxed pro rata for the unexpired portion of the taxable year.
Structure New York Laws
420-A - Nonprofit Organizations; Mandatory Class.
420-B - Nonprofit Organizations; Permissive Class.
421-A - Affordable New York Housing Program.
421-C - Exemption of Certain New Multiple Dwellings From Local Taxation.
421-E - Exemption of Cooperative, Condominium, Homesteading and Rental Projects From Local Taxation.
421-F - Exemption of Capital Improvements to Residential Buildings and Certain New Construction.
421-G - Exemption From Local Taxation of Certain Multiple Dwellings.
421-H - Exemption of Capital Improvements to Multiple Dwelling Buildings Within Certain Cities.
421-H*2 - Exemption of Capital Improvements to Residential Buildings.
421-I - Exemption of Capital Improvements to Multiple Dwelling Buildings Within Certain Cities.
421-I*2 - Exemption of Capital Improvements to Multiple Dwelling Buildings Within Certain Cities.
421-J - Exemption of Capital Investment in Multiple Dwelling Buildings Within Certain Cities.
421-J*2 - Exemption of Capital Improvements to Multiple Dwelling Buildings Within Certain Cities.
421-K - Exemption of Certain Multiple Dwellings.
421-L - Exemption of Capital Improvements to Residential Buildings in Certain Towns.
421-N - Exemption of Capital Improvements to Multiple Dwelling Buildings Within Certain Cities.
421-O - Exemption of Capital Improvements to Multiple Dwelling Buildings Within Certain Cities.
421-O*2 - Exemption of Capital Improvements to Multiple Dwelling Buildings Within Certain Cities.
422 - Not-for-Profit Housing Companies.
424 - Institute of Arts and Sciences.
425 - School Tax Relief (Star) Exemption.
425-A - Abatement of County Taxes in Special Assessing Units.
427 - Performing Arts Buildings.
428 - Fraternal Organizations; Entire Net Income for Education and Relief of Members.
429 - Real Property Used for Professional Major League Sports.
430 - Interdenominational Centers.
432 - Theatrical Corporations Created by Act of Congress.
436 - Officers of Religious Denominations.
438 - Trustees of a Hospital, Playground and Library; Hospital for Benefit of a City.
442 - Soldiers Monument Corporations.
457 - Exemption for First-Time Homebuyers of Newly Constructed Homes.
458-A - Veterans; Alternative Exemption.
458-B - Exemption for Cold War Veterans.
459 - Persons Who Are Physically Disabled.
459-A - Improvements to Property Made Pursuant to the Americans With Disabilities Act of 1990.
459-B - Physically Disabled Crime Victims.
459-C - Persons With Disabilities and Limited Incomes.
462 - Religious Corporations; Property Used for Residential Purposes.
464 - Incorporated Associations of Volunteer Firefighters.
466 - Volunteer Firefighters and Fire Companies in Villages.
466-A - Volunteer Firefighters and Volunteer Ambulance Workers; Certain Counties.
466-A*2 - Volunteer Firefighters and Volunteer Ambulance Workers.
466-B - Volunteer Firefighters and Volunteer Ambulance Workers; Certain Additional Counties.
466-C - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-C*2 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain Counties.
466-C*3 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-C*4 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-C*5 - Volunteer Firefighters and Volunteer Ambulance Workers; Exemption.
466-C*6 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain Counties.
466-C*7 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-D - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-D*2 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-D*3 - Volunteer Firefighters and Volunteer Ambulance Workers.
466-D*4 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain Counties.
466-E - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-E*2 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-E*3 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-E*4 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-F - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-F*2 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-F*3 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain Counties.
466-F*4 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-G - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-G*2 - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-H - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-H*2 - Un-Remarried Spouses of Deceased Volunteer Firefighters or Volunteer Ambulance Workers.
466-I - Volunteer Firefighters and Volunteer Ambulance Workers; Certain Counties.
466-J - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
466-K - Volunteer Firefighters and Volunteer Ambulance Workers; Certain County.
467 - Persons Sixty-Five Years of Age or Over.
467-F - Protective and Safety Devices Tax Abatement.
467-I - Real Property Tax Abatement.
467-J - Exemption for Certain Residential Properties Located in Certain Counties.
467-K - Senior Citizen Longtime Resident Exemption.
467-L - Rebate for Owners of Certain Real Property in the City of New York.
468 - Fire Patrol and Salvage Corps.
469 - Assessment Exemption for Living Quarters for Parent or Grandparent.
472 - Pharmaceutical Societies.
476-A - Railroad Passenger Stations.
477 - Tax Exemption for Industrial Waste Treatment Facilities.
477-A - Tax Exemption for Air Pollution Control Facilities.
478 - Tax Exemption for Off-Street Parking Facilities Providing Underground Shelters.
479 - Fallout Shelter Facilities.
480 - Forest and Reforested Lands.
480-A - Taxation of Forest Land.
481 - Taxation of Land Used for Agricultural Production.
483-C - Temporary Greenhouses.
483-D - Farm or Food Processing Labor Camps or Commissaries.
483-E - Anaerobic Digestion Facilities.
484 - Urban Redevelopment Corporations and Companies.
485 - Nuclear Powered Electric Generating Facilities.
485-A - Residential-Commerical Urban Exemption Program.
485-B - Business Investment Exemption.
485-D - Water-Works Corporations.
485-E - Empire Zone Exemption.
485-F - Banking Development Districts.
485-G - Infrastructure Exemption.
485-H - Residential Investment Exemption; Certain Cities.
485-I - Residential Investment Exemption; Certain School Districts.
485-I*2 - Residential Investment Exemption; Certain Cities.
485-J - Residential Property Improvement Exemption; Certain Cities.
485-J*2 - Residential Investment Exemption; Certain Cities.
485-J*3 - Residential Investment Exemption; Certain Cities and School Districts.
485-J*4 - Residential Investment Exemption; Certain Cities.
485-J*5 - Residential Investment Exemption; Certain Cities.
485-K - Residential Investment Exemption; Certain School Districts.
485-L - Residential Property Improvement; Certain Towns.
485-L*2 - Residential Investment Exemption; Certain School Districts.
485-M - Residential Investment Exemption; Certain School Districts.
485-N - Residential-Commercial Exemption Program.
485-O - New Residential Property Exemption; Certain Cities.
485-P - Economic Transformation Area Exemption.
485-Q - Residential Investment Exemption; Certain Cities.
485-R - Residential Redevelopment Inhibited Property Exemption; Certain Cities.
485-S - Residential Reassessment Exemption.
485-S*2 - Residential Reassessment Exemption.
485-S*3 - Mixed Use Exemption Program for Villages.
485-T - Owner Occupied Residential Property Exemption Program.
485-U - Class One Reassessment Exemption.
485-V - Residential Revaluation Exemption.
485-V*2 - Residential and Mixed-Use Investment Exemption; Certain Cities and School Districts.
485-W - Newly Constructed Single-Family and Multi-Family Residential Exemption; Certain Villages.
486 - Non-Profit Medical and Dental Indemnity, or Hospital Service Corporations.
486-A - Non-Profit Corporations Operating as Health Maintenance Organizations.
487 - Exemption From Taxation for Certain Energy Systems.
487-A - Exemption From Taxation of Conservation Improvements to Certain Residential Premises.