1. Select a Vendor from the drop list. Upon selection Invoices list will be available and you must select at least one to continue.
2. Click on Add button to include as many invoices as you want into the letter. Letter must have a signatory user who must be included in user field. Such field has an autocomplete option which will allow you to find existing users. If the desired user doesn’t exist, you can fill user and position fields out to include a new signatory user.