(u) “Eligible developer” or “developer” means (1) a nonprofit corporation; (2) any business corporation incorporated pursuant to chapter 601 or any predecessor statutes thereto, having as one of its purposes the construction, rehabilitation, ownership or operation of housing, and having articles of incorporation approved by the commissioner in accordance with regulations adopted pursuant to section 8-79a or 8-84; (3) any partnership, limited partnership, joint venture, trust, limited liability company or association having as one of its purposes the construction, rehabilitation, ownership or operation of housing, and having basic documents of organization approved by the commissioner in accordance with regulations adopted pursuant to section 8-79a or 8-84; (4) a housing authority; (5) a family or person approved by the commissioner as qualified to own, construct, rehabilitate, manage and maintain housing under a mortgage loan made or insured under an agreement entered into pursuant to the provisions of this chapter; or (6) a municipal developer.
(v) “Mortgage” means a mortgage deed, deed of trust, or other instrument which shall constitute a lien, whether first or second, on real estate or on a leasehold under a lease having a remaining term, at the time such mortgage is acquired, which does not expire for at least that number of years beyond the maturity date of the obligation secured by such mortgage as is equal to the number of years remaining until the maturity date of such obligation.