(a) All faculty members with the rank of professor, associate professor, assistant professor, instructor, assistant instructor, lecturer, research associate and adjunct faculty who are engaged in instruction, research, or other academic service; and
(b) Members of the research, library, general extension, and cooperative extension staffs and those others, who, by virtue of University regulations hold equivalent rank to the faculty categories enumerated in (a) above.
(c) Faculty members who are engaged in instruction and/or research for fifty percent or more of their time during the academic year and who hold the title of associate dean, assistant dean, assistant to dean or academic director.