Vietnamese domain names (IDN)
+ Vietnamese domain names are second-level domain names under country-coded domain name ".VN" written in Vietnamese language or third-level domain names under second-level domain names by administrative geography written in Vietnamese language.
+ A Vietnamese-language domain name consists of characters defined in the code sheet of Vietnamese language according to the TCVN 6909: 2001 stardard and characters in expanded code sheet in line with the above-said standard. It is required to register either non-abbreviation of entire name or clearly meaning in Vietnamese language.