What does the IAEM Code of Ethics state about competence? A. Professional competence, once achieved, is considered final, and there is no need to go through continuing education to maintain it. B. Having achieved the qualification as a CEM or AEM, members are to challenge themselves by taking on tasks they feel they are minimally qualified for to grow and gain competence. C. There is no mention of competence in the document. D. Members shall not undertake responsibilities as emergency management practitioners if they do not believe themselves competent to discharge them