General Questions
In General Questions, you will find answers to common questions about FIZ.
- Can I associate multiple accounts with the same login? Yes, you can. You can add multiple accounts to your login/email and switch between them with a single click.
- Can I issue invoices without an accountant? Absolutely! You can easily issue invoices on your own through a practical interface that’s accessible 24/7.
- Can I use FIZ on my phone? Yes, you can access FIZ Invoicing from any mobile phone through your browser—no need to install an app. It’s quick and convenient—just try it at FIZ.pt.
- How to create a New User in the Tax Authority Portal Creating a New User in the User Management Page on the Tax Authority (AT) Portal
- How to register as a self-employed worker with the Portuguese Tax Authority (Autoridade Tributária e Aduaneira, AT)? Portuguese Tax Portal: How to log In and register your activity?
- Is FIZ Invoicing unlimited and free? FIZ Invoicing is a free unlimited online service with Tax Authority certificate, intended for freelancers (TI) and sole proprietors (ENI).
- Payments in FIZ: how to fix common issues Some payments can fail for temporary reasons (bank, authentication, MB WAY) or because of incomplete setup (e.g., no phone number linked to MB WAY). This article explains the most common fixes and what to do in each case.
- VAT Regimes for Self-Employed Workers (TI) and Sole Proprietors (ENI) VAT Exemption Regime for Low Turnover
- Who is FIZ Invoicing for? FIZ Invoicing is a free and unlimited online service with the AT certificate number 3041, designed for businesses, associations, freelancers (TI)…