Unless otherwise provided by the Regulations, the valid period of the frequency use certificate shall be no more than 10 years.
The valid period of the frequency use certificate shall not exceed the following time limits:
1. The time limit specified in the supporting evidence regarding the installer’s access right or management right to the established domain.
2. The use time limit specified in the Table of Radio Frequency Allocations of the Republic of China.

The frequency use certificate shall not be transferred, leased, pledged, mortgaged, or otherwise disposed.
In the event that the frequency use certificate is lost or damaged or there is any change in the recorded items, the applicant shall attach relevant supporting documents and apply to the competent authority for reissuance, renewal, or correction.

After the change of the network establishment plan is approved by the competent authority, for those that require renewal of the frequency use certificate, the valid period of the renewed frequency use certificate shall be same as that of the original frequency use certificate.
In case of the installer’s early loss of his or her total right to use the establishment domain for any reason, the competent authority shall revoke his or her frequency use certificate. If this is the case, the installer shall notify the competent authority at least 1 month in advance and return the frequency use certificate.

After the expiration of the frequency use certificate, if the installer still needs to continue to use the mobile broadband dedicated telecommunications network, they shall attach the following documents and apply to the competent authority for renewal of the frequency use certificate within 2 months from the day that is 3 months before the expiration of the certificate:
1. The renewal application form.
2. The data proving the access right to the established domain（government agencies, public schools, state-owned businesses, and non-departmental public bodies are not required to attach such data）.
3. Other documents specified by the competent authority.