Credit card interest is divided into contractual and default. BRSA determines the upper limit.
Contractual Interest
- Within the upper limit of BRSA
- specified in the contract
- Over the monthly average balance
Default Interest
- When the minimum is not paid
- Contractual + additional
- Higher
Upper Limit
- BRSA determines monthly
- If exceeded, extradition case
- 10-year retroactive request
Supreme Court 13th HD and 19th HD
13th. HD adopts that credit card interest rates should be "reasonable and equitable".
Consumer/bank lawyer is recommended.