Each competition will have an appointing authority which is responsible for selecting referees at the various levels of the game. For FIFA World Cup matches the appointing authority is FIFA, while UEFA Champions League appointments are made by UEFA. In England, the Premier League and Football League appointments are made by the Professional Game Match Officials Ltd (PGMOL) who are a separate company jointly owned by The FA, the Premier League and Football League. They manage refereeing at the elite level of the English game.
