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 adopted in the Regulations are defined as follows:
1. Subscriber number: refers to telecommunications numbers offered to subscribers for using telecommunications services.
2. Allocation: refers to the approved use of specific telecommunications numbers approved in accordance with Paragraph 1 of Article 69 of the Act.
3. Assignment: refers to the designation of a specific subscriber number to the subscriber for use in accordance with the service contract.
4. Verification: refers to the confirmation of the subscriber or agent’s identity and valid information to ensure compliance by means of conducting a manual check or other methods specified in the Regulations.
5. Registration: refers to processing the information provided by the subscriber or agent for the application of the subscriber number according to the Regulations, along with the corresponding image files and verification records, into the system for retention.
6. Corporate customers: refers to subscribers whose subscribed numbers are for employees, businesses, or products of a legal person, unincorporated associations, firms or government agencies.
7. Wholesale resale service of subscriber numbers: refers to those who lease or purchase telecommunications services with subscriber numbers from other telecommunications enterprises in a wholesale approach and resell it to subscribers in its own name.