- Documents or information of Hong Kong companies such as company incorporation and business registration records, company resolutions, etc
- Declarations for various purposes, including getting married in Mainland China, children adoption, family reunion, estate succession or renunication of rights over assets in the Mainland
- Power of attorney for sale and purchase of properties in the Mainland
- Documents for conducting litigation or arbitration proceedings in the Mainland
- Application for CEPA service provider certificate
- Declaration of the same person