Business Names and Addresses for you and your Customer.
Details of the Goods and/or Services that are being Estimated.
A Breakdown, Subtotal and Final Total of How Much They Will Owe.
Any Additional Costs Such as Shipping and Taxes.
The Date if Which it was Raised.
Any Payment Terms i.e. Ramifications of Paying Late etc.
Sequential Invoice Number.
A formal demand for payment.