Customer service
is our priority!

Below you will find answers to the most frequently asked questions. If necessary, we are always at your disposal.


In what format are e-invoices sent?

We send e-invoices in the form of an e-mail with a summary of relevant information from the invoice in PDF format.

When will I receive my e-invoice?

You will receive an e-invoice by e-mail on the same day it will be issued, around 22:00.

Will I continue to receive paper invoices after ordering an e-invoice?

No. If you agree to receive an e-Invoice, we will not send you invoices in paper form.

What are the benefits of an e-invoice?

With e-invoice: Convenient: no need to print and store incoming documents. E-invoices are always available in your e-BOK account. Safe: the e-invoice goes to your account on the day it is issued, there is no fear that it will be lost. Sparingly: you don’t have to wait for your electricity bill to arrive by mail. The e-invoice goes directly to your e-mail and appears in the e-BOK. This will make it easier for you to control your expenses. Ecologically, e-invoices are a saving for the environment. You give up paper and save the energy that is needed to produce it.

Is there any difference between an e-invoice and a paper invoice?

There is no difference between these invoices. An e-invoice is the same proof of sale as a paper invoice.

Why haven’t I received an invoice sent by e-mail?

First of all, check the SPAM (e-mail) tab in your inbox.
If the message did not go to SPAM, verify the correctness of the e-mail address provided. It is possible when contacting the Customer Service Office – by phone, at the number: +48 690 991 991 or by e-mail, at the address:

How can I pay an e-invoice?

You can pay the e-invoice in a convenient way for you, because it contains the same information as the one in paper form.

Does the e-invoice e-mail contain an invoice?

We do not attach an invoice to the message as an additional document, but it does contain a summary with the most important information needed to make a payment.

How do I know that an e-invoice is issued?

You will receive an e-invoice by e-mail on the same day that we issue it. In the message you will also find the amount and information needed for the transfer.

Since when will I receive an e-invoice instead of a paper invoice?

After activating the service, we will send your next invoice in electronic form. You can also find it in the e-box in the Invoices tab.

How much does it cost to launch an e-invoice?

Launching the service and using it is free of charge.

Who can use the e-invoice service?

Each Customer who has a contract with our company after indicating the e-mail address for sending FV.

What is an e-invoice?

An e-invoice is an invoice in electronic form. It contains the same data and is the same proof of sale as a paper invoice. The e-invoice is free of charge and is a document that is legally binding.

How to change the address to which the e-invoice is sent? How to change the shipping method from postal to e-mail or vice versa?

You can do this through the hotline, or by e-mail sent at

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