.NU represents the official domain extension or the internet country code top level domain (ccTLD) of Niue. This ccTLD was introduced in 1997 and was intended for entities associated with Niue. The authorized agency for carrying out its registry is the IUSN Foundation while one of the registrars for processing
There is no special process needed to register a .NU domain name, no special action is needed on your end.
Entities connected with Niue