In order to record delivery information over the proposal slips which are generated according to the delivery type and create the relevant slips by Sales Order Delivery transaction, the "Actualize Delivery Proposals" option located on the right mouse menu of Sales Orders browser is used.
In the Order Delivery window, you will see that all transactions of each delivery type are listed under the relevant tab. 
Proposal slip information generated by Order Delivery method can be modified. Slips are generated by the Generate Slip option.
The Delivery Proposals option located under the Attached Records menu in Sales Orders browser is used to view the delivery proposals of the relevant order demand.