Sales Invoices SortMyBooks Helpdesk Updated February 16, 2018 00:30 Follow Q. How do i enter a Sales Invoice on SortMyBooks Online A. Follow the attached How-To to help explain this. Also this video Click for video on entering Sales Invoices Sales Invoices.pdf Sales Invoices.pdf 200 KB Download Related articles How do I account for RCT withheld from me? How to edit and make changes to an existing Invoice Comments 0 comments Please sign in to leave a comment.