There are two types of invoices:
1. Sales Invoice: Â
This is a document sent to a customer with a list of products or services they have bought and their prices, any sales tax, the total amount and the date before which the customer must pay.
2. Purchases Invoice:
This is a commercial document or bill presented to a buyer by a seller or service provider for payment within a stated time frame that indicates what has been purchased, what amount and at what price. A purchase invoice can be used to prove that something was bought and the amount paid.
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