The unclassified service of the State consists of the following state officers or employees in the Executive Department of the State Government who receive annual salaries for their services:
Members of boards and commissions, and heads of departments, agencies and institutions required by law to be appointed.
Except as otherwise provided in NRS 223.085, 223.600 and 232.461 all persons required by law to be appointed by the Governor or heads of departments or agencies appointed by the Governor or by boards.
All employees other than clerical in the Office of the Attorney General and the State Public Defender required by law to be appointed by the Attorney General or the State Public Defender.
Except as otherwise provided by the Board of Regents of the University of Nevada pursuant to NRS 396.251, officers and members of the teaching staff and the staffs of the Agricultural Extension Department and Experiment Station of the Nevada System of Higher Education, or any other state institution of learning, and student employees of these institutions. Custodial, clerical or maintenance employees of these institutions are in the classified service. The Board of Regents of the University of Nevada shall assist the Administrator in carrying out the provisions of this chapter applicable to the Nevada System of Higher Education.
All other officers and employees authorized by law to be employed in the unclassified service.