With this add-on, it is possible to issue documents (Receipt, Invoice, Cancellation etc.). Multiple types of documents. It is possible to import from shortcodes with form builder and make your documents. Ability to create custom shortcodes. Ability to create a file for your documents or print to a physical printer. Possibility to enter a custom receipt or invoice form etc. It is also possible to interface with cash registers and tax mechanism. You can have multiple cash registers and tax mechanisms. You can have both valid and uncertified documents, depending on the type of document.