When a telecommunications enterprise applies to the competent authority for the allocation of identification codes, it should submit the following documents：
1. Telecommunications Number Application Form
2. Identification code use plan（including the expected location of the network’s point of interface interconnected with other public telecommunications networks, and its network architecture and capacity planning data）
3. Relevant supporting documents of the telecommunications enterprise registration
4. Other materials designated by the competent authority

The competent authority should consider the following matters when reviewing the application for identification code allocation prescribed in the previous article：
1. Whether the type of the applied telecommunication numbers is necessary to provide services
2. Whether it specifies the expected location of the network’s point of interface interconnected with other public telecommunications networks
3. Whether it specifies the connection structure of the switch within the network and the connection structure with other telecommunications networks
4. Whether it specifies the brand, model, quantity, capacity and function of the switch

Each of the telecommunication enterprise’s application for the allocation of the identification code is limited to one identification code.