5. In the performance of his duties, a public office holder is bound to comply with the ethical principles and the rules of professional conduct prescribed by law and by this Regulation, as well as the principles and rules set forth in the code of ethics and professional conduct applicable to him. In case of discrepancy, the more stringent principles and rules shall apply.
In case of doubt, he shall act in accordance with the spirit of those principles and rules. He shall, in addition, arrange his personal affairs in such a manner that they cannot interfere with the performance of his duties.
A public office holder is bound by the same obligations where, at the request of a government agency, body or enterprise, he performs his duties within another government agency, body or enterprise, or is a member thereof.