ยง  1622-o.  Tax contract by the state. The state of New York covenants
  with the purchasers and with all subsequent holders and  transferees  of
  bonds  or  notes  issued  by  the  authority  pursuant to this title, in
  consideration of the acceptance of and payment for the bonds  or  notes,
  that  the  bonds or notes of the authority issued pursuant to this title
  and the income therefrom, and all moneys, funds and revenues pledged  to
  pay  or secure the payment of such bonds or notes, shall at all times be
  exempt from taxation.
Structure New York Laws
Article 7 - Parking Authorities
Title 22 - Village of Nyack Parking Authority
1622-C - Village of Nyack Parking Authority.
1622-D - Purpose and Powers of the Authority.
1622-E - Civil Service Status of Officers and Employees.
1622-G - Construction and Purchase Contracts.
1622-H - Moneys of the Authority.
1622-I - Bonds of the Authority.
1622-J - Notes of the Authority.
1622-K - Agreements of the Village and the State.
1622-L - State and Village Not Liable on Bonds.
1622-M - Bonds and Notes Legal Investments for Public Officers and Fiduciaries.
1622-O - Tax Contract by the State.
1622-P - Remedies of Bondholders.
1622-Q - Actions Against the Authority.
1622-R - Termination of the Authority.
1622-S - Title Not Affected if in Part Unconstitutional or Ineffective.