The National Committee for the Protection of Animals used for Scientific Purposes works to promote the practice of the 3Rs Principles - Replacement (use of alternatives for animal testing), Reduction (use of animals should be as few as possible) and Refinement (use of the most gentle methods for animal testing and housing of laboratory animals).​The committee shall advice the competent authorities (in Denmark The Animal Experiments Inspectorate) and the animal welfare bodies in cases concerning the acquisition, breeding, housing, care and use of laboratory animals and to ensure exchange of the best practice.