eInvoice - stapler is an innovative mobile application that allows users to access the state portal of the System of Electronic Invoices (SEF) without the need to log in directly to the portal itself.

Now you can easily track, approve and forward your eInvoices, wherever you are, using only your mobile device.

For trial use, it is enough to send the PIB of your company in the "Subject" of the email message to [email protected]

The authentication key is stored in your phone's memory.