There is only one solution that I know of so far:
There is a new rule in the latest "WeChat Public Platform Operation Specifications" (ps: 2016/04/09)
4.1.1 Subject infringement
Using other people’s registered business names or trademarks without authorization, infringing other people’s exclusive rights to business names and trademarks.
Use other people's names and avatars without authorization, infringing on other people's reputation rights, portrait rights and other legal rights.
Once such infringement is discovered, the offending public account will be cancelled.
WeChat issued new rules on August 28, "Announcement on Terminating the Registration and Use of Some Accounts on WeChat Public Platform"
The content is as follows
According to the "WeChat Public Platform According to the provisions of Article 5.6 of the Service Agreement, in order to improve user experience and make full use of account resources, the WeChat Public Account Termination is hereby issued to regulate accounts that have not completed registration after applying for part of the WeChat public platform, or accounts that have not been logged in and used for a long time. Registration and Termination of Use Rules" (hereinafter referred to as the "Rules"), we will handle WeChat public accounts according to the following circumstances in accordance with the "Rules":
1. Registration has not been completed within 80 days since the application. account. The application and registration process for such accounts will be terminated. After termination, the email address used for the original registration can be used to apply for a new WeChat public account.
2. After completing the registration, the WeChat public account has not been logged in for 210 consecutive days. Such accounts are terminated. After termination, the email address, ID number, WeChat ID and other information used for the original registration can be used to apply for registration of a new WeChat public account.
3. WeChat public accounts that violate laws and regulations, the "WeChat Public Platform Service Agreement" and other relevant agreements and rules during use. Such accounts will be terminated. After termination, the email address, ID number, WeChat ID and other information used for the original registration cannot be used to apply for a new WeChat public account.
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Therefore, this is another way to cancel the official account.