[date]

[company name]
[company address]

Re: [list account number, etc.]

Dear [contact name if known]:

This notice is in regard to your invoice numbered [invoice number], dated [date], 19XX, in the amount of $[amount]. We believe the invoice to be in error as follows:

    _____   Goods received were defective, as previously indicated.
    _____   Goods billed for have not been received.
    _____   Prices are greater than amount agreed.  We claim credit
            in the amount of $[amount of credit claimed]
    _____   Prior payments of $[amount] made on [date] have not been credited to the account.
    _____   Goods are available for return and credit per our agreement
    _____   Goods shipped were never ordered, and await return per your shipping instructions.
    _____   Other:
	
	       [list reason(s) invoice is inaccurate]	
	

       Sincerely,

       ___________________________________