The answer is competence and diligence. One of the articles of professional conduct, due care, necessitates a member to discharge professional responsibilities with competence and diligence. In addition, competence is resulting from a synthesis of education and experience. In all engagements and in all accountabilities, each member must start to attain a level of capability that will guarantee that the quality of the colleague services encounters the high level of professionalism required by these principles. The due care imposes a member to design and supervise sufficiently any professional activity for which he or she is accountable.