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Spojenie s dôverou

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Certifikačná Autorita a.s.

Spojeni s důvěrou

Spojení s dôverou

Connected with trust

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Payment information

How to pay for I.CA services?

QR payment

Make it easy to fill in the payment order for I.CA with a smartphone. Take advantage of QR Payments in your mobile banking application. The QR code for payment is always on a specific invoice. 

Bank transfer


You can enter a payment order personally in your bank or via e-banking on your account: 17864658/0300 - payments for primary and subsequent certificates (such as Variable symbol please state the number of proforma invoice)

Payment is credited to the payee's account usually on the second business day of receipt of the payment order by the bank. The issue of the subsequent certificate will take place immediately after the payment has been credited to the I.CA.

Payment in cash

If you want to pay your invoice as soon as possible, you can visit the registration authority at our headquarters (Podvinný mlýn 2178/6, Prague 9) where you will be able to pay in cash or by credit card. There is no handling charge for this service. 

How to speed up the issue of a certificate renewal?

If you are in a hurry to issue a subsequent certificate, you can send a copy of the proof of payment to info.faktura@ica.cz, contact us at tel. +420 284 081 940.

How do I change my billing information?

If you have changed the billing information which you filled in previous certificate request, you can edit them through the Personal Certificate Management service.

You can also send an email with your request to info.faktura@ica.cz to change your billing information. Do not forget to attach your serial number to your e-mail, or variable invoice proforma symbol or final invoice sent to you by e-mail.

Registration authorities