Quick answer
Prepare the main documents that prove what happened, who is involved, what deadline applies, and what outcome you want. If you bought defective goods and the supplier refuses to help, start with the notice or agreement, identity details, payment or income records, messages, official correspondence and a short timeline.
Key takeaways
- Prepare the main documents that prove what happened, who is involved, what deadline applies, and what outcome you want. If you bought defective goods and the supplier refuses to help, start with the notice or agreement, identity details, payment or income records, messages, official correspondence and a short timeline.

