The registration process of an international domain on NIC.UA website is absolutely the same as any other domain zone – you add the domain you like to the cart, place the order, and make the payment.
The distinguishing feature of international domains is that you must confirm the registrant's (domain owner's) contact email.
This rule exists since January 1, 2014 - ICANN organization (Internet Corporation for Assigned Names and Numbers) obliges registrants to confirm the contact information, which is specified in the domain Registrant data field.
An email is sent to your e-mail at the moment of domain registration. This means that the email must already work and receive letters at the moment of domain registration.
Therefore, you should not specify domain email with that same domain in domain data.
The letter is sent by the registry on behalf of NIC.UA, the message text is written in English and contains the domain name and a link that you should follow.
The domain will wait for email confirmation within 14 days. All this time it will be active.
If you do not follow the link and confirm your email within 14 days, the registry will set blocking NS in the domain:
You can find a letter in your mailbox by domain name, it will definitely be in your letter.
Also, check the SPAM folder if you can't find it in the main folder.
If you can't find the letter, please let us know on email@example.com, we'll request a new letter.
If you found out that you gave an incorrect email during registration, just write us to firstname.lastname@example.org and we will help you update your email in the domain data.
Please note that the letter to your email will also be sent if you transfer the domain.