Cash payment complaint
You can notify the Tax Agency of non-compliance with the limitation on cash payments with an amount equal to or greater than 1,000 euros (10,000 if the person making the payment is a natural person who does not act as the owner of the professional company without tax domicile. in Spain).
Place and form of filing:
You can submit this complaint through the cash payment complaint form available on the Internet, with which you can provide the required accompanying documentation. In the "Report of cash payments" section, in "Managements": Reporting cash payments.
You can also present it in person, in the records of the Tax Agency offices.