The Commission may adopt such regulations as it deems appropriate to effect the purposes of this article. Before adopting any such regulation, the Commission shall give reasonable notice of its content and shall afford interested parties an opportunity to be heard in accordance with the Commission’s Rules. In adopting regulations applicable to affiliated trust companies, the Commission shall be guided, where appropriate, by those standards and requirements concerning self-dealing and conflicts of interests that apply to banks, bank holding companies, and their subsidiaries when engaged in both trust and securities activities.