The act of teaching by the State Geologist or the Assistant State Geologist as specified and permitted under the terms of Sections 9-4-4 through 9-4-7 shall not entitle either of such officials to participate as members of the Teachers' Retirement System of Alabama or to enjoy the privileges or benefits of such membership, nor shall the act of teaching by such officials be deemed to alter or enhance in any way their status as such officials except as may be expressly set forth in such sections.