Rules:  Slide tackle is not allowed during match play.  No Exceptions!!  Slide tackle will result in an automatic yellow card.  Goals can only be scored after the ball pass the midfield line.  For each goal kick taken, the ball in play has to touch your own teammate before crossing midfield.  Otherwise, it will result in a free kick for your opponent in the midfield line.  There is no out of bounds except for "dead ball" when ball is kicked behind the goal or in the "marked danger zone".  Free kicks taken from your own side of the field does not need to touch your teammate before crossing midfield.  Substitutions on the fly, free kick, or dead ball.