For name-surname.com.tr applications, a copy of identification certificate is required.
For the applications made by the legal entities and organisations; the official documents required must certify that the domain name you apply for is your registered trademark or corporate name. One official document that appropriate for the application, which may be "Commercial Registration Certificate", "Trademark Registration Certificate" etc., is sufficient to register a ".tr" domain.
Furthermore, foreign applicants are to prove business activity in Turkey or have a business relation with a company that is domiciled in Turkey and provide supporting official documents such as franchising agreement, distribution agreement, invoice, custom papers etc.
For any other situation apart from foregoing, you are required to perform your online application and then submit your document(s). You will be informed immediately after your application and document(s) are evaluated.
A) .TR DOMAINS CAN NOT SUPPORT THE WHOIS PROTECTION
B) .TR PROHIBITED USE OF THE "REGISTERED (AD-SOURCE OR COMPANY)" INFORMATION ON EXTENDED DOMAINS IS NOT USED FOR COMMERCIAL PURPOSES.
C) .COM.TR YOU WANT TO TRANSFER YOUR EXTENDED DOMAIN TO ANOTHER IF YOU REQUIRE A PERSONAL CIRCUMSTANCE WHICH YOU WANT TO TRANSFER IN YOUR FIRM OR TRADE REGISTRATION