As used in this article, the following terms shall have the meanings indicated:
The delinquent taxes, including interest, penalties and charges, which have accrued against a parcel as of the date on which an installment agreement is executed.
An owner of real property who is eligible to or has entered into an installment agreement.
A written agreement between an eligible owner and the enforcing officer providing for the payment of eligible delinquent taxes in installments pursuant to the provisions of Real Property Tax Law § 1184 and this article.