(1) When the regulatory authority has reasonable cause to suspect possible disease transmission by a food employee of a food service establishment, it may secure a morbidity history of the suspected food employee or make any other investigation as indicated and shall take appropriate action in accordance with ARM 16.28.301. The department may require any or all of the following measures:

(a) the immediate exclusion of the food employee from employment in food service establishments;

(b) restriction of the food employee's services to some area of the establishment where there would be no danger of transmitting disease;

(c) adequate medical and laboratory examination of the food employee and of other authorized persons and of his and their body discharges.