(a) If a Professional Geoscientist, a Geoscientist-in-Training, or Geoscience Firm has any business association or financial interest that might reasonably appear to influence the judgment of the Professional Geoscientist, Geoscientist-in-Training, or Geoscience Firm in connection with the performance of a professional geoscience service, and thereby jeopardize an interest of a client or employer, the P.G., GIT, or Firm shall promptly inform the client or employer in writing of the circumstances of the business association or financial interest. Unless the client or employer provides written consent after full disclosure regarding the circumstances of the business association or financial interest, the Professional Geoscientist, Geoscientist-in-Training, or Geoscience Firm shall either terminate the business association or financial interest or forego the project or employment.(b) A Professional Geoscientist, Geoscientist-in-Training, or Geoscience Firm shall not solicit or accept, directly or indirectly, any financial or other valuable consideration, material favor, or other benefit of any substantial nature, financial or otherwise, from more than one party in connection with a single project or assignment unless the circumstances are fully disclosed in writing to all parties.(c) A Professional Geoscientist, Geoscientist-in-Training, or Geoscience Firm shall not solicit or accept, directly or indirectly, any financial or other valuable consideration, material favor, or other benefit of any substantial nature from any supplier of materials or equipment or from any contractor or any consultant in connection with any project on which the Professional Geoscientist, Geoscientist-in-Training, or Geoscience Firm is performing or has contracted to perform geoscience services.