A parcel must meet the following criteria to be eligible to participate in the program: the parcel must be zoned AG, AR, RE, or RR and located in the Rural and Agricultural Areas; privately owned; the parcel shall be capable of being further developed; include a minimum of thirty-five (35) acres with no more than one (1) single-family dwelling, or include a minimum of twenty (20) acres with no more than one (1) single-family dwelling and be contiguous to property held as a public park or preserve or property otherwise permanently protected from development by easement or otherwise; notwithstanding the forgoing criteria, a property may be deemed eligible by the County Council upon a determination that the property has sensitive natural resources and there is an important public value of protecting the property for the citizens and residents of the County. Portions of parcels shall not be eligible to participate in the program if the development rights have been extinguished by the donation or sale of an easement to any other party that specifically protects woodlands for another purpose including but not limited to approved TCPs for other development, deed restrictions, and declarations of covenants for woodland conservation banking.