An ordinary bill, despite being a very important tax document, never free of errors. An amendment bill is just one type of invoice is issued to correct any errors or add any data needed.
A corrective invoice is a document that details some correction in the ordinary invoice or the return of the goods. This invoice must be issued in the event that the original invoice does not comply with the requirements of applicable law. Likewise, you must also issue a corrected invoice if an error occurs with the goods, whether errors in price, discounts, refunds, etc..
In order for this bill to be valid, it must have certain minimum information necessary. This document needs to explicitly clarify that this is a corrected invoice. It will also be necessary to specify to which bill is rectifying this document as well as the tax rate and the tax charged. Nor should we forget that a bill amendment requires a specific set of numbers.
With this information, the amendment bill will be a valid and legally able to amend ordinary bills.
