Each department specialises in aiding the diagnosis and treatment of disease. Entry to the profession requires an Institute of Biomedical Science (IBMS) accredited BSc honours degree followed by a minimum of 12 months laboratory training in one of the pathology disciplines, however the actual time spent training can be considerably longer. Trainees are also required to complete a certificate of competence training portfolio, this requires gathering extensive amounts of evidence to demonstrate professional competence. At the end of this period the trainees portfolio and overall competence are assessed; if successful, a certificate of competence is awarded, which can be used to apply for registration with the HCPC. State registration indicates that the applicant has reached a required standard of education and will follow the guidelines and codes of practice created by the Health and Care Professions Council. The NHS, the largest employer of Biomedical Scientist, now run the 'Practitioners Training Program' in conjunction with several Universities which includes a years experienced as a part of a 3-year degree. This is known as BSc Healthcare Science (Life Science)