NGB Affiliation
NGB affiliation is a club's membership of its national governing body (NGB) — required to compete in officially-sanctioned leagues + tournaments. Affiliation typically requires: paid annual NGB fee, up-to-date safeguarding policy, qualified coaches, public liability insurance. NGBs include: FA (football), RFU (rugby), ECB (cricket), ETTA (table tennis), British Rowing, etc.