1. Don’t accept compensation for services from more than one party unless circumstances fully disclosed and agreed to by all parties
2. Fully disclose any business or financial interest substantial enough to influence judgement in performance of services. If client objects, terminate such interest or give up the project
3. Don’t solicit or accept payments, rebates, refunds, or commissions from material or equipment suppliers in return for specifying products to a client
4. Do not engage in a business or activity outside capacity as an officer, employee, appointee, or agent of a governmental agency knowing that the activity may later be subject to the control, inspection, review, audit, or enforcement by you