a card package production system for producing card packages composed of printed paper carriers with matching cards attached to the carriers selectively outputs the card packages through a card package multi - directional distribution module having a carrier transport with a primary carrier transport path extending between a package inlet and a primary package outlet for transporting the card packages along the primary carrier transport path . a movable stacker gate assembly mounted for movement between a stacking position . in the stacker position , the card packages are inserted laterally through a laterally facing inlet of a stacker in two stages with successive pairs of card packages being kept in an interleaved state .