[Date] [Recipient Name] [Title] [Company Name] [Street Address] [City, ST ZIP Code] Dear [Recipient Name] : Due to an oversight on our part, this month’s payment, in the amount of $ [amount] and due on [date] , was mailed just today. Our account number is [account number] . Please forgive our inattention. If you have any questions, please contact me at [phone number] . Sincerely, User