Why is the customer required to fill a cardholder dispute form (CDF) to report transaction dispute

A duly filled in Cardholder Dispute Form (CDF) mentioning all the required details of the disputed transaction(s) and the exact nature of dispute, aids the Cardholder as well as the Bank to initiate accurate investigation with the respective Merchant / Member Bank.Pls click on link below to view the cardholder dispute form: http://www.hdfcbank.com/assets/pdf/Cardholder_Dispute_Form.pdfNOTE: A detailed email mentioning all the required details and supporting documents (if any), as mentioned in the CDF, can also be written to [email protected]

Why is the customer required to fill a cardholder dispute form (CDF) to report transaction dispute

A duly filled in Cardholder Dispute Form (CDF) mentioning all the required details of the disputed transaction(s) and the exact nature of dispute, aids the Cardholder as well as the Bank to initiate accurate investigation with the respective Merchant / Member Bank.Pls click on link below to view the cardholder dispute form: http://www.hdfcbank.com/assets/pdf/Cardholder_Dispute_Form.pdfNOTE: A detailed email mentioning all the required details and supporting documents (if any), as mentioned in the CDF, can also be written to [email protected]