Regulations Supervising and Guidance Internet Protocol Address and Domain Name Registration Management Services Article 2

The terms of these Regulations are defined as follows:1. “Internet Protocol Address”: means the address used to identify the location of Internet host in accordance with Internet Protocol Transmission Control Protocol/Internet Protocol （TCP/IP）planned to allocate host addresses.2. “Domain Name”: means the combination of characters or figures used to map to an Internet Protocol Address, so that Internet users can easily memorize the address of a TCP/IP host .3. “Domain Name System (DNS in abbreviation)”: means a tree-class frame system with the authorized administration from top to bottom, which system mapped and converted between Domain Name and Internet Protocol Address and other data.4. “Internet Protocol Address Registration Management Service”: means the service that possesses to manage Internet Protocol Address Registration data of National Internet Registry（NIR in abbreviation）, and to provide a normal operation of Reverse Domain Name System as well as the services of the related registration management.5. “Domain Name Registration Management Service”: means the service that possesses to manage Domain Name Registration data of .tw Top Level Domain (TLD) or which of other domain name representing the Republic of China, and to provide a normal operation of domain name system as well as the services of the related registration management services.6. “Registry”: means a juristic person of non-profit organizations who is engaged in the Internet Protocol Address or Domain Name Registration Management Service.7. “Registrar”: means a juristic person who is engaged in registration services authorized by a Registry .8. “Registrant”: means a person who contracts with a Registry to use the services of the Internet address or domain name designated by the Registry.