1. Reason for Cancellation: Include only if required by contract or if canceling before the regular notice period due to special circumstances

2. Service Usage Details: Additional details about the service being canceled, include if multiple services exist with the same provider

3. Payment Status Declaration: Statement about outstanding payments or confirmation that all payments are up to date, include if relevant

4. Return of Equipment: Details about returning any equipment if applicable to the service

5. Request for Confirmation: Specific request for written confirmation of the cancellation, include if dealing with important services

6. Power of Attorney: Include if the person signing is acting on behalf of someone else

1. Proof of Contract: Copy of original contract or contract details (as attachment)

2. Authorization Document: Power of attorney or authorization document if signing on behalf of someone else

3. Supporting Documentation: Any relevant documentation supporting immediate cancellation if applicable (e.g., medical certificates, proof of relocation)