The Football Association of Singapore is responsible for developing and advancing the game at all levels. Providing a structure for the game to flourish and governing the running of football in Singapore, the FAS also ensures that the Laws of the Game are adhered to, from the professional S.League to amateur leagues. Organising and running league and cup competitions, the stewardship of international teams, the establishment of a youth development, women's football, refereeing and coaching frameworks are some of the affairs of the FAS. Mass participation and the appeal that crosses divides makes football the most popular sport in Singapore.