As used in this article the following terms shall mean:
In calculating annual income, social security payments and income received from private pension funds by any person sixty-two years of age or more shall be excluded up to a total maximum amount of seventy-five dollars per month. The term "probable aggregate annual income" means the annual income of the chief wage earner of the family, plus all other income of other members of the family over the age of twenty-one years, plus a proportion of income of gainfully employed members under the age of twenty-one years, the proportion to be determined by the agency. The agency may exclude a proportion of the income of other members of the family over the age of twenty-one years for the purpose of determining eligibility for commencement of occupancy or continued occupancy, or for establishing rental of such family, or for all such purposes.
N.Y. Pub. Hous. Law § 211