Proforma invoices basically contain much of the same information as the formal quotation, and in many cases can be used in place of one. It should give the buyer as much information about the order as possible so arrangements can be made efficiently. The invoices inform the buyer and the appropriate import government authorities details of the future shipment; changes should not be made without the buyer's consent.
Your invoice should be prompt, so that you can get paid by your clients on time, while invoicing is not a fun task, it's a necessary one: by keeping clients informed of your expectations, you will get paid punctually and reinforce your professionalism. After going over some best practices for creating invoices, I will review some great (and not so great) invoicing practices, so that you can spend less time creating invoices and more time doing the things you love! So here are some general guidelines, best practices and examples that will help you make sure your invoices are up to specification.