How to prepare an invoice _ examples and introduction _ Information that should be included in an invoice includes: A generic invoice should contain: The word "invoice" A unique reference number (in case of correspondence about the invoice) Date of the invoice Name and contact details of the seller Tax or company registration details of seller (if relevant) Name and contact details of the buyer/ customer _ Purchaser's name or firm name Date that the product was sent or delivered or the service or services rendered,or the work that was done. Purchase order number (or similar tracking numbers requested by the buyer to be mentioned on the invoice) Description of the product(s) _(sales invoice) or of the services ( service invoice) Unit price(s) of the product(s) (if relevant) Total amount charged (optionally with breakdown of taxes, if relevant) Payment terms (including method of payment, date of payment, and details about charges late payment) Discount,total before discount,and total after discount. (if relevant) Tax,total before tax,and total after tax. (if relevant) Shipping details if different from buyer details.The US Defense Logistics Agency requires an employer identification number on invoices.
When a buyer asks for a quotation the seller should always provide a pro_forma invoice. A pro_forma invoice is an invoice sent in advance of the commercial invoice, which is the final bill that the buyer agrees to pay. Some of the advantages of pro_forma invoice to the importer include to show to his government for foreign currency allocation, opening letters of credit and most importantly, to have a detailed information on the transaction that can help him plan. An accurate and professionally submitted pro forma_invoice can help buyers to make a decision and agree to the quotation.