(1) In addition to ARM 23.13.204 and 23.13.205, the applicant for an award of the supervisory certificate:

(a) shall possess the discipline specific intermediate certificate;

(b) shall have successfully completed a 40 hour POST approved management course; and

(c) shall have served satisfactorily as a first level supervisor currently and for one year prior to the date of application, as attested to by the head of the employing agency.

(2) A first level supervisor is a position above the operational level for which commensurate pay is authorized, is occupied by an officer who, in the upward chain of command, principally is responsible for the direct supervision of employees of an agency or is subject to assignment of such responsibilities, and most commonly is the rank of sergeant.