The IARC Code of Good Scientific Practiceguides research conducted within IARC premises and should be embedded in its relationships with others. It will also apply to the Working Groups composed of external experts and convened by IARC. The code complements the IARC Guidelines on Ethics; all research programs are subject to prior approval by the IARC Institutional Review Board and the IARC Ethics Review Committee and other institutional and national Ethics Review Boards as required. Rules that establish good practice provide common ground. Good practice reflects the national and international understanding of research and training. This Code applies to scientific practice which is understood to include research and training within IARC. It applies to all categories of personnel involved in planning, conducting, evaluating, archiving and dissemination of research, including staff scientists, fellows, technicians, trainees, visiting scientists, collaborators, and all allied researchers that contribute to IARC missions worldwide.