Any two or more governmental bodies may jointly acquire by construction or purchase, or both, or finance one or more public projects or additions thereto by the issuance and delivery of lottery revenue bonds in which case such governmental bodies shall jointly exercise all the rights, authority, power and duties herein conferred upon a county commission, a municipality or a board of education when acting singly and they shall also be subject to the same limitations, restrictions and conditions as are herein imposed on a singly governmental body in connection with the acquisition or finance of a public project. Notwithstanding the signing and sealing requirements set forth in section four, five or six of this article, one of such governing bodies may sign and seal bonds issued pursuant to this article on both its own behalf and on behalf of all other participating governing bodies, and signature in the manner set forth in the said section four, five or six, as applicable, by one governing body shall be effect as to all other participating governing bodies. The respective governing bodies, acting jointly, may also provide by agreement among themselves, any other terms and conditions of such joint participation.