Projects which implement the plan, including the acquisition of interests in real property for the purpose of protecting open spaces or open areas where such properties are part of the state open space plan, shall be eligible for state funding under the environmental protection fund, pursuant to article fifty-four of this chapter, where such projects meet the existing eligibility requirements of such article, subject to available appropriation. No funding shall be provided unless the commissioner determines that a town is in compliance with all the provisions of this title.