The homeowners association may lease back some or all of the protected open space lands to, or enter into a contract with, the developer, his heirs or assigns, the owner of the tract prior to its development, a tenant farmer, or any other person or corporation qualified to operate, manage, and maintain the open space or an identified portion thereof for the purposes set forth in this chapter. The lease or contract shall be subject to the approval of the Township, as shall any transfer or assignment of the lease or contract. A copy of the lease or contract, as approved and executed, shall be filed with the Township.