1. Professional Licenses: Include when the self-employed individual holds professional licenses or certifications relevant to their work

2. Business Permits: Include when the individual operates under local business permits or special licenses

3. Income Declaration: Include when the certificate needs to specify typical income ranges or billing rates

4. Client Relationships: Include when needing to clarify the nature of relationships with major clients to establish genuine self-employment

5. Notarization: Include when the certificate needs to be notarized for specific official purposes

1. Schedule A - Supporting Documents: List of attached documents such as business registration, tax registration, and professional licenses

2. Schedule B - Government Registrations: Details of various government registrations including registration numbers and dates

3. Appendix 1 - Service Description: Detailed description of services/products offered as a self-employed individual

4. Appendix 2 - Declaration Forms: Copies of relevant tax and social security declaration forms