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Activating e-Invoicing in Invoq

How to switch on e-invoice sending and receiving in Invoq, including registering Billberry as your operator in the Business Register.


Invoq uses Billberry as its e-invoicing partner for Estonia, so you can send and receive e-invoices with other businesses without leaving Invoq. This guide covers both directions: sending e-invoices to your customers, and receiving e-invoices from your suppliers.

Before you start

Your organization in Invoq must be verified. If it isn't yet, go to Organization and click Verify, then follow the on-screen steps.

The Verify button on the Organization tab in Invoq

Sending e-invoices

  1. Make sure your organization is verified (see "Before you start" above).

  2. Go to the Integrations tab and click Connect on the Billberry card.

    The Integrations tab in Invoq, with Connect highlighted on the Billberry card

  3. That's it — you can now send e-invoices to other businesses directly through Invoq.

Receiving e-invoices

To receive e-invoices, you also need to register Billberry as your confirmed e-invoicing operator in the Estonian Business Register (ariregister.rik.ee). This is what allows your suppliers to find and send to you.

  1. On the Integrations tab, in the Billberry card, click Set Up next to Receiving.

    The Billberry card in Invoq showing Sending active, with the Set up button next to Receiving

  2. You'll see a confirmation screen explaining that this sets Billberry as your operator at the Business Register, and that it goes live within a day. Click Continue.

    Confirmation dialog reading "You'll confirm Billberry as your operator at the Business Register. It goes live within a day. Continue?"

  3. Go to ariregister.rik.ee and open "Change data" for your company.

  4. Under "E-invoicing service providers," find the entry for Billberry marked "Waiting for confirmation" and click "Confirm service provider."

    The E-invoicing service providers section of the Business Register, with Billberry marked "Waiting for confirmation" next to a Confirm service provider button

Note. The Business Register confirmation can take up to a day to go live. Until then, suppliers may not yet be able to find you as a registered e-invoice recipient.

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