1. If the taxpayer has a higher-level competent department, it shall submit a document approved by the higher-level competent department to suspend business;
2. If the administrative department for industry and commerce and other relevant departments request to suspend business, they shall submit the documents of suspension of business of the administrative department for industry and commerce and other relevant departments;
3. The original tax registration certificate issued by the competent tax authorities;
4. Other documents and certificates required by the competent tax authorities.