To copy an existing presentation, open the presentation you wish to copy, select from the top menu Copy Doc Presentation.  A new presentation is created with all the same details as the existing one.  Use the Update function to make any necessary amendments.  In particular – note that Special/Other Instructions has been prefilled although the text can be amended.  Also note that the amount is not copied over and needs to be entered.  Details of all the documents required are copied.  Once updated, the presentation needs approving and processing in the normal way.