No representative of the Department shall, without the consent of the licensee, divulge or make known, except to financially interested parties, or to other representatives of the Department who may be required to have such knowledge in the regular course of their official duties, or except insofar as he may be directed by the Secretary, Deputy Administrator, Director, or a court of competent jurisdiction, any facts or information regarding the business of such licensee which may come to the knowledge of such representative through an examination or inspection of the business or the accounts of the licensee, unless such facts or information should be testified to at a hearing authorized by the act because they are relevant and material to the issue in the case being heard.