Organizations or individuals of Tunisian nationality or legally resident in Tunisia, or foreign companies with a registered trademark valid in Tunisia have the right to register their domain names under the Tunisian domain.

Anyone or company can register this domain name.

The minimum term for .tn domain names is 1 year

The domain registration timeframe for .tn during general availability is 1 Week.

Domain Names must:

• have minimum of 2 and a maximum of 63 characters;
• begin with a letter or a number and end with a letter or a number;
• use the English character set and may contain letters (i.e., a-z, A-Z),numbers (i.e. 0-9) and dashes (-) or a combination of these;
• neither begin with, nor end with a dash;
• not contain a dash in the third and fourth positions (e.g. www.ab- -cd.tn); and
• not include a space (e.g. www.ab cd.tn).

You may visit them here: Agence tunisienne d'Internet.