Portugal: Local - Business Requirements for Business No documentation required Portugal: Mobile - Business Requirements for Business Business Tax Number Government-issued ID showing tax number Business Name Excerpt from the commercial register Business Address (Proof of Address) Excerpt from the commercial register showing Portuguese address Portugal: Toll-Free - Business Requirements for Business Tax ID Government-issued documentation containing Tax ID Business Name Excerpt from the commercial register Letter of Authorization (LOA) Executed Letter of Authorization Business Address (Proof of Address) Excerpt from the commercial register showing the address