This is an example of a NISS document we provided to a client.Please note that name and address have been edited for privacy purposes. Related ArticlesWhat can I use as Proof of Address?Finanças Portal Login with Chave Digital: Keep Your NIF Address UnchangedWhat documents do I need to apply for a NISS?What is a Certified Translation and Why Do You Need It?What Proof of Residence Application Is Required for a NISS Application?