Minn. Stat. § 44.05

The board shall, as soon as practicable after its appointment and organization and after consultation with appointing authorities and principal supervisory officials, grade and classify all positions in the classified service according to the duties and responsibilities of each position and appropriate lines of promotion and it shall allocate each position in the classified service to the appropriate class therein. The titles in the classification plan shall be used for original appointments, promotions, payrolls, and all other personnel records, and rates of pay shall be fixed according to the grades of positions established in the classification plan. The board shall prepare and maintain an employment roster on which shall be entered in their respective classes of employment, the names, ages, compensation, period of past employment and such other facts with reference to each employee in the classified service as the board deems useful.