The commission shall ascertain the duties of each office, position, and employment in the police protection service of such city, and designate by rule as well as may be practicable the grade of each office, employment, or position. The commission shall prescribe standards of fitness and efficiency for each office, position, and employment and for each grade, and adapt its examination thereto.
Minn. Stat. § 419.08
(1933-55) 1929 c 299 s 8; 1973 c 123 art 5 s 7