The following are key features:
A series of events is two or more linked events, such as a tour, or rounds of a competition, which do not add up to a league or a season. Sportspeople coming to play for a whole season or in matches or games which are part of the UK domestic season would enter under Tier 2 or Tier 5.
An amateur is someone who engages in the sport solely for personal enjoyment and who is not seeking to derive a living from the activity. No financial reward (including cash prizes, appearance money, fees and sponsorship) can be received.