The non-competitive class shall include only such positions as are not in the exempt class or the labor class, and which it is impracticable, in the judgment of the civil service commission, to include in the competitive class. Appointments to positions in the non-competitive class shall be made after such non-competitive examination as is prescribed by the regulations of the civil service commission. The said commission shall state in its annual report the number of persons who come within this class and the character of their services.
53 P.S. § 23451