Card package production system with card package stacker and method

1. Field of the Invention 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 (, FIG. ) mounted for movement between a stacking position (FIG. ). 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.