In rendering professional services, a certified interior designer shall comply in all respects with applicable laws and regulations pertaining to the practice of interior design. A certified interior designer may not engage in any form of false or misleading advertising or promotional activities, including, but not limited to, the falsification or misrepresentation of the work of a certified interior designer or of another person, academic or professional qualifications, degree of responsibility, experience, performance, or licensing status. A certified interior designer shall be truthful and objective in all professional communications and public statements. A certified interior designer may not seal, stamp, or sign, or permit to have a certified interior designer's name, signature, or stamp be affixed to, any plans, drawings, specifications, or other documents which were not prepared by a certified interior designer or under the certified interior designer's responsible supervising control and direction. A certified interior designer may not by affirmative act or failure to act engage in improper, unprofessional, or dishonorable conduct of a character likely to deceive, defraud, or harm the public. A certified interior designer may not knowingly associate with, or permit the use of, a certified interior designer's personal or business name in a business venture by a person or a firm which a certified interior designer knows, or has reason to know, is engaged in business or professional practice of a fraudulent or dishonorable nature. In rendering professional services, a certified interior designer may not counsel or assist anyone, including, but not limited to, a certified interior designer's client, in conduct a certified interior designer knows, or reasonably is expected to know, is illegal or improper. A certified interior designer who has direct knowledge of a violation of a provision of the laws or regulations pertaining to the practice of interior design by another person or entity shall immediately inform the Board of Certified Interior Designers in writing. A certified interior designer may not pay, or offer to pay, either directly or indirectly, any commission, political contribution, gift, or other consideration in order to secure work, exclusive of the customary fees payable to employment agencies.