Administration Regulations of Cyber Security on Telecommunications Business Article 2

Telecommunications enterprises that have established a public switched telecommunications network（PSTN）using telecommunications resources or other telecommunications enterprises（hereinafter referred to as telecommunications enterprises）, as announced by the competent authority, shall establish a cyber（info-communications）security maintenance plan in accordance with Paragraph 2, Article 15 of the Act.When making the announcement specified in the preceding paragraph, the competent authority shall take full consideration of the following:1. Critical telecommunications infrastructure;2. Whether the number of users or network has reached a specific scale that can result in significant influence, or whether it is deemed necessary due to management of control or other factors;3. Whether a relevant agency has provided a warning of potential harm to national or information security;4. Whether a cyber-security incident that occurred has reached level 3 as specified in Regulations on the Notification and Response of Cyber Security Incident.