The document outlines 5 categories of positions that are part of the non-career service under the Administrative Code of 1987: 1) effective officials and their personal staff, 2) secretaries and other cabinet-level officials, 3) chairpersons and members of commissions and boards, 4) contractual personnel hired for their specialized skills, and 5) emergency and seasonal personnel. It also describes the 3 levels of positions that make up the career service: first level involves clerical work requiring less than 4 years of college, second level involves professional work requiring at least 4 years of college, and third level includes the highest positions as part of the Career Executive Service.