1. Professional Qualifications: Include when the self-employed activity requires specific professional qualifications or licenses

2. Previous Employment: Add when there's a transition from employment to self-employment, especially with the same client

3. Client Relationships: Include when working with specific major clients to clarify the nature of the business relationship

4. Insurance Coverage: Add detailed insurance information when required by specific industry regulations or client requirements

5. VAT Registration: Include when the business is or will be VAT registered

6. Business Assets: Add when significant business equipment or assets are used to demonstrate business independence

1. Business Registration: Copy of business registration or trade registry extract if applicable

2. Social Security Confirmation: Documentation from AHV confirming self-employed status

3. Professional Certificates: Copies of relevant professional qualifications or licenses

4. Insurance Certificates: Proof of required business insurance coverage

5. VAT Registration: Copy of VAT registration certificate if applicable