source: Supplier shall submit, within a reasonable amount of time, a "Tax Only Invoice" which represents the correct amount of Taxes owed.
target: Supplier shall submit, within a reasonable amount of time, a "Tax Only Invoice".  This "Tax Only Invoice" must represent the correct amount of Taxes owed.
references: Supplier shall submit, within a reasonable amount of time, a "Tax Only Invoice".  This "Tax Only Invoice" must represent the correct amount of Taxes owed.