(ii)(A) The Contractor shall support written demands for additional penalty payments with the following data. The Government will not request any additional data. The Contractor shall—
(1) Specifically assert that late payment interest is due under a specific invoice, and request payment of all overdue late payment interest penalty and such additional penalty as may be required;
(2) Attach a copy of the invoice on which the unpaid late payment interest is due; and
(3) State that payment of the principal has been received, including the date of receipt.