_______ (Date)

_________________ (Debtor’s name)

_____________________ (Address)
Dear Sir/Madam,

I am writing this letter concerning the amount of __________ (amount) which was to be paid on ____________ (date) and remains outstanding despite of my several requests for payment of the amount. This amount has been charged to you for ____________________________________ (service or description of goods used).

I have enclosed the necessary documents related to the purchase in support of the demand of the payment. I demand payment of full amount to be paid at the following address within 7 days or else i will have to go for some legal proceedings against you.
Your sincerely,

____________________ (Name)

______________________ (Address & contact details)