(1) At interchanges on the interstate system where none of the qualified businesses wish to participate in the program, the department will maintain the existing general service sign.

(2) The general service signs at any interchange will be removed by the department when the first specific information sign panel is installed.

(3) When a tourist-oriented directional sign is erected for a business identified by a general service sign, the department will remove the general service sign.

(4) No new general service signs may be erected along primary highways for businesses which qualify for touristoriented directional signing.