A bill – commonly known as an Accounts Payable or supplier invoice.

A sales invoice – commonly known as an Accounts Receivable or customer invoice.

The "approved" state of an invoice ready for sending to a customer.

An invoice with a status of DELETED will not be included in the Aged Receivables Report.

The default status if this element is not provided with your API call.

Once an invoice is fully paid, the status will change to PAID.

Useful if there is an approval process required.

If an invoice is no longer required, it can be voided.