Do I have to send an online invoice on the same day I issue it?
Yes. If you issue an invoice in online mode, it must be sent to KSeF on the same day. If you send it the next day, the system will treat it as an invoice issued in offline24 mode.
Even more convenient with the app
The MIA Biznes application.
Download and manage your business comfortably. Don’t miss important events. All the functions of the service are now at your fingertips in one application.
Available on the App Store and Google Play (coming soon).
Need help?
We are at your disposal and happy to assist you in using MIA BIZNES.
Send your request via the contact form, and we will get back to you as soon as possible.
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