Q:  A goalkeeper or another player draws unauthorised marks on the field of play with his foot. What action does the referee take?
A:   If the referee notices this before the match starts, the offending player is cautioned for unsporting behaviour. If the referee notices this being done during the match, he cautions the offending player for unsporting behaviour when the ball next goes out of play.

Q:  Can a player deliberately leave the field of play to take liquid refreshment?
A:   Players are entitled to take liquid refreshments during a stoppage in the match but only at the touch line.

Q:   A player, other than the goalkeeper, standing in his own penalty area holding a shinguard, hits the ball with his shinguard to prevent it entering the goal. What action does the referee take?
A:   The referee awards a penalty kick and the player is sent off for preventing a goal. The shinguard is regarded as an extension of the player’s hand.

Q:   What happens if, in a similar situation, the player in question is the goalkeeper?
A:   The referee stops play, cautions the goalkeeper for unsporting behaviour and play is restarted with an indirect free kick to the opposing team.