NOTES ON THE LAWS OF THE GAME
Notes
  Procedures to Determine the Winner of a Match or
  home-and-away
  The Technical Area
  The Fourth Official
  Referee Signals
  Assistant Referee Signals
  Law 11 Illustrations 1-13
  Additional Instructions for Referees, Assistant Referees   and Fourth Officials
  2005 FIFA Guidelines
  Rules of the International Football Association Board

KEY

Throughout the Laws of the Game the following symbols are used:
* Unless covered by the Special Circumstances listed in Law 8 – The Start And Restart of Play
MODIFICATION
Subject to the agreement of the member association concerned and provided the principles of these Laws are maintained, the Laws may be modified in their application for matches for players of under 16 years of age, for women footballers, for veteran footballers (over 35 years) and for players with disabilities.

Any or all of the following modifications are permissible:
  • size of the field of play;
  • size, weight and material of the ball;
  • width between the goalposts and height of the crossbar from the ground;
  • duration of the periods of play;
  • substitutions.
Further modifications are only allowed with the consent of the International Football Association Board.

MALE AND FEMALE
References to the male gender in the Laws of the Game in respect of referees, assistant referees, players and officials are for simplification and apply to both males and females.