AskTheRef
A question and answer forum for soccer referees, coaches, players and fans.

Burtrand World: Offside Rule
A simple explanation of the offside rule and the offside trap with the use of diagrams.

FIFA.com: Laws of the Game
The rules of the sport as authorised by the International Football Association Board (IFAB). The members of the IFAB are, The Football Association (England), the Scottish Football Association, the Football Association of Wales, the Irish Football Association, and FIFA.