4850 Installment Billing Dispute

This code is used when a cardholder disputes an installment billing arrangement, claiming the terms were not properly disclosed or the merchant failed to honor agreed-upon installment terms.

• Cardholder claims installment terms were not properly disclosed
• Merchant allegedly failed to honor installment agreement
• Applicable to buy-now-pay-later and installment payment plans

Provide evidence of:

• Signed installment agreement with clear terms
• Cardholder acknowledgment of installment schedule
• Transaction receipts showing installment breakdown
• Communication confirming cardholder accepted terms

To prevent this chargeback:

• Clearly disclose all installment terms before purchase
• Obtain explicit cardholder consent for installment plans
• Send confirmation emails with payment schedule
• Maintain records of all installment agreements