All types of credit letters are formal letters thus it should be written in formal and professional language. Credit letter can be written for various purposes it can be written as complaining letter. By writing such complaining credit letter an account holder can forged complain with the bank for unnecessary charges levied on him or her. Mr. Kermit R. Boyer Branch Manager New York Cooperative Bank Pvt. Ltd 3657 Oak Drive Albany, NY 12207 28 September 2010 Subject: SAMPLE CREDIT CARD DISPUTE LETTER Dear, Mr. Kermit I Ms. Shayla C. Ralston a credit card holder of your New York Cooperative Bank and I hereby inform you by writing this credit card dispute letter that unnecessary late fees payment has charged to me by your bank accounting department. Till date it is my best record that I had made all my credit card bill payments on or before the due date give by you but your bank accounting statement have been showing that late fees payment of rupees 5,000 has charged to me for the month of...