How can I ensure Order Confirmation prints for SO before Shipment is approved?

The Customer Service Rep enters sales orders at status 510/512, then they print an Order Acknowledgment document, which moves the SO status to 512/527.  As soon as the SO is entered, the shipment is built, and the record is available on Work With Shipments.  In the normal scenario, the Transportation Planner will route the shipment, and then approve it, which moves the SO status to 527/540.  The problem is that, the Trans Planner might route and approve the shipment before the Order Acknowledgment is printed.  When this happens, the approval step moves the order to 512/540 status. When that happens,