(a) No association shall permit any funeral director or undertaker, or any member of his immediate family, to directly or indirectly by association or incorporation act as the representative, adjuster, claim agent, special agent, sales representative, or agent for such association in soliciting, negotiating or effecting ambulance service contracts on any plan or of any nature issued by such associations or in collecting premiums from holders of any such contracts.
(b) No association shall affix, or permit to be affixed, advertising matter of any kind or character of any funeral director or undertaker to any ambulance service contracts or circulate, or permit to be circulated, any such advertising matter with such contracts, or attempt in any manner or form to influence contract holders of the association to employ the services of any particular funeral director or undertaker.
(c) No association shall maintain an office or place of business, or permit its agent to maintain an office or place of business, in the office, establishment, or place of business of any funeral director or undertaker in the territory.