Invoice Cancellation Letter

[Name]
[Address]
[Contact Information]
[Date]

[Recipient Name]
[Recipient Address]

Dear [Name]:

This letter is with regards to invoice number [123456] which was generated on [15 July 2015] against purchase order number [9547856]. We kindly ask you to cancel the invoice and generate a new one because the quantity and the price are not correct. Please perform the necessary amendments and send us again the adjusted copy.

Thank you very much,

Sincerely,

[Name]
[Address]
[Contact Information]
[Date]

[Recipient Name]
[Recipient Address]

Dear [Name]:

We have received invoice number [1234564] from you, which was generated on [15 July 2015]. We would like to draw your attention that the quantities and prices do not match with what we ordered. Revert back to our purchase order number [54752] for the correct figures.

Therefore, we ask you to cancel the above mentioned invoice and issue a new one with the correct figures. Looking forward to your reply and actions.

Thank you very much,

Sincerely,