Sample Letter to Client for Non-Payment

From,
__________ (Company/ Your Name)
__________ (Address/ Contact)
__________ (Sender’s Details)

Date: __/__/____ (Date)

To,
__________ (Client’s name),
__________ (Client’s Address)
__________ (Client Details)

Subject: Non-payment for  ______ (Order number/bill number)

Dear Sir/ Madam,

This letter is in reference to the order ID _______ (order ID/Bill number) bearing invoice number _______ (invoice number) and amount _________ (mention amount).

Through this letter, I would like to bring into your consideration that we have not received the payment of the above mentioned-order. This payment was due on __/__/___ (date).

It is to request you to kindly make the payment at the earliest to avoid any charges. For any query, you may contact us at _________ (contact number).

Regards,
__________ (Signature)
__________ (Name)
__________ (Designation)
__________ (Contact Details)

Note: This letter was generated on __/__/____ (date) at __:__ (time). Please ignore if already paid.