Offside (A)
The provision as it is printed, and everything on Ruleside that turns on it.
An attacker in an offside position (A) is clearly obstructing the goalkeeper's line of vision. The player must be penalised for preventing an opponent from playing or being able to play the ball.
Worked by IFAB itself 1
One of the positions the Laws answer by name rather than by rule, drawn.
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