(a) A Professional Geoscientist, Geoscientist-in-Training, or Geoscience Firm may reveal confidences and private information only with a fully informed client's or employer's consent, or when required by law, rule or court order; or when those confidences, if left undisclosed, would constitute a threat or potential threat to public health, safety, and welfare.(b) A Professional Geoscientist, Geoscientist-in-Training, or Geoscience Firm shall not use a confidence or private information regarding a client or employer to the disadvantage of such client or employer or for the advantage of another person.(c) A Professional Geoscientist, GIT or Geoscience Firm shall exercise reasonable care to prevent unauthorized disclosure or use of private information or confidences concerning a client or employer by the Professional Geoscientist's or Geoscience Firm's employees and associates.