To close an agreement, you open the P.70.79 Close Order screen from the menu.
If the project default ZP_NEWEXP is set to N (default), that is, you are working with Basic Expediting, the P.70.41 Close Order screen opens.
If the project default ZP_NEWEXP is set to Y, that is, you are working with Extended Expediting, the PX.20.71 Close Order screen opens.