As used in this act:
The term "displaced person" does not mean: a person who has been determined, according to criteria established by the commissioner, to be either in unlawful occupancy of the displacement property or to have occupied the property for the purpose of obtaining assistance under this chapter; or in any case in which the agency acquires property for a program or project, any person, other than a person who was an occupant of the property at the time it was acquired, who occupies the property on a rental basis for a short term or a period subject to termination when the property is needed for the program or project.
N.J.S. § 27:7-74