A repayment agreement establishes the terms and conditions governing the recovery of a debt. Repayment agreements should be written or reduced to writing as soon as possible after such an agreement is reached.
Sample Demand Letter for Payment I am writing to remind you of the outstanding payment for Invoice No. X, dated Invoice Date, in the amount of Amount Due. As of today, Date, this payment is Number of Days days overdue. Despite our previous reminders sent on Dates, we have not yet received this payment.