You're about to embark on your new activity as an auto-entrepreneur in Portugal, but before you can invoice your customers for your services, there's one compulsory step you need to take to comply with the law and the finance authorities. Self-employed in Portugal: how to get started Gone are the days when professionals used a pad of removable receipts to invoice their customers. With the digitization of public services, a computer or even a tablet with an Internet connection is all that's needed for invoicing. However, there is a...