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General Questions
In General Questions, you will find answers to common questions about FIZ.
8 articles
Who is FIZ Invoicing for?
Is FIZ Invoicing unlimited and free?FIZ Invoicing is a free unlimited online service with Tax Authority certificate, intended for companies, freelancers and sole proprietors.
Can I associate multiple accounts with the same login?
Can I use FIZ on my phone?
Can I issue invoices without an accountant?
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?
VAT Regimes for Self-Employed Workers (TI) and Sole Proprietors (ENI)VAT Exemption Regime for Low Turnover
How to create a New User in the Tax Authority PortalCreating a New User in the User Management Page on the Tax Authority (AT) Portal