A. A physician may not engage in solicitation, including in-person, telephone, or direct mail solicitation which:
(1) Amounts to fraud, undue influence, intimidation, or overreaching;
(2) Contains statements which would be improper under Regulation .13B of this chapter.
B. A physician shall also be accountable under this regulation if he uses an agent, partnership, professional association, or health maintenance organization to implement actions prohibited by this regulation.