Sample Invoice Register Its name, size (if applicable), style (if applicable), quantity, product price and total selling price must be mentioned for each each item that the customer acquisitions. Additions may include, postage, shipping managing, taxation, previous outstanding fees. Subtractions could include discount rates, credits, coupons, and the like. There should be a reference to the various methods by which the client can pay. This could include information regarding the name in which the check really should be drawn, or the PayPal no . to which the amount should be remitted, or bank details. For most B2C ecommerce, the bill is actually generated after the repayment has been received. In that case, the important points of payment received ought to be mentioned.