(I) Position exists to perform the function;
(II) Limited number of employees can perform the function; and/or
(III) May be highly specialized; the person is hired for their experience
(I) The employer's judgement;
(II) Written job descriptions prepared before advertising or interviewing;
(III) Amount of time spent performing the functions;
(IV) Consequences of not requiring the incubment to perform the functions;
(V) Work of past incumbents; an/or
(VI) Current work of incumbents in similar jobs.