These Regulations are enacted in accordance with the provisions of Paragraph 2, Article 69 of the Telecommunications Management Act（hereinafter referred to as the Act）.

The terms used in these regulations are defined as follows：
1. Telecommunications number: It refers to the number required to maintain the normal operations, such as intercommunication, identification, exchange and control of the public telecommunications network, including coding, identification code and subscriber number.
2. Coding: It refers to the telecommunications number used to control the routing and exchange of information of the public telecommunication network.
3. Identification code: It refers to the telecommunications number used to identify the network, route or service within the public telecommunications network.
4. Subscriber number: It refers to the telecommunications number used to provide a subscriber with telecommunications services.
5. Golden number: It refers to an easy-to-remember subscriber number or a subscriber number of certain arrangement rules or with special meaning.

Telecommunications numbers are classified as follows：
1. Coding：
（1）Signaling point code
（2）Number portability code
（3）Mobile network code
（4）Other system internal code
2. Identification code：
（1）IDD identification number
（2）Pre-selection override code
（3）Area code
（4）Special telecommunications number
3. Subscriber number：
（1）Local line phone number
（2）Mobile phone number
（3）Satellite communication number
（4）Internet phone number
（5）Intelligent virtual number
（6）IoT number

The format of telecommunications numbers is shown in Annex 1.

• Annex 1 Format of Telecommunications Number.pdf

Those which apply for the allocation of identification codes to establish public telecommunication networks, signaling point codes, or subscriber numbers, unless otherwise prescribed in this Act, shall conduct telecommunications enterprise registration in accordance with the provisions of Article 5 of the Act.

If one of the following situations occurs, the application will not be accepted：
1. Those which do not comply with the provisions of Article 5.
2. The telecommunications enterprise’s business suspended or terminated.
3. The documents that should be submitted are incomplete or the content that should be stated is incomplete, and the corrections are not made or still incomplete after being notified by the competent authority to make correction within a time limit.

The telecommunications enterprise and those which have been allocated with special telecommunications numbers should cooperate with the competent authority to adjust the telecommunications numbers it has been allocated.

The application form prescribed in these Regulations should be published by the competent authority on its World Wide Web.