For the public telecommunications network with the examination compliance certificate issued by the competent authority, re-examination shall be applied for to the competent authority in any one of the following circumstances:
1. The addition or the change of the public telecommunications network affects its original examination-compliant network performance.
2. Part of the allocated frequencies are to be provided to other telecommunications enterprises for use by the agreement in accordance with Article 58 of the Act, and it is approved by the competent authority.
3. All or part of the allocated frequencies are to be transferred to other telecommunications enterprises for use by the agreement in accordance with Article 59 of the Act, and it is approved by the competent authority.
4. Other matters announced by the competent authority
If the addition or the change prescribed in Subparagraph 1 of the preceding paragraph does not affect the original examination-compliant network performance, the applicant may only apply for examination for the added or changed part.

If the examination compliance certificate is lost, damaged or changed in content, an application form for replacement (re-issue) may be submitted to the competent authority for replacement (re-issue).
For the public telecommunications network with the examination compliance certificate issued by the competent authority, the competent authority may abolish the examination compliance in any one of the following circumstances:
1. Failure to pass the inspection conducted by the competent authority in accordance with the provisions of Paragraph 1, Article 43 of the Act, and the improvement is not completed or the improvement could not be completed after the deadline as ordered by the competent authority.
2. Other violations of the Act or these Regulations found by the competent authority with severe circumstances