1. In the sample letter, fill in your personal information. How do I address a king in a letter?If you've stopped paying your creditors for unpaid debts, they will likely report your account as a charge-off after four to six months of non-payment. Use this sample letter to dispute mistakes on your credit report. 1. Heading. This includes the return address (the writer's address) and should be two or three lines. Include the postal code. If you need to write a request letter and don't know where to begin, check out our handy guide below to make your letter more professional and persuasive. Drafts on the irrevocable letter of credit shall be submitted to: