Guides / Billing
We all know that an invoice is a commercial document that includes all the information of a sale. This should reflect a series of data such as the product or service offered, the amount and the total amount of the transaction. And they are of particular importance to entrepreneurs and freelancers who must declare to the Treasury every three months.
In addition to this, there are different types of invoice: ordinary, simplified, amending, recapitulation, and proforma. All of these have their purpose and, to be in control of a business’s finances, we must be clear when to use which.