45.4  Payment

45.4.1  Subject to Clause 45.5 (Disputed Amounts), the Authority shall pay the amount stated in any invoice submitted under Clause 45.2 (Report and Invoice) on the final Business Day of the following Payment Period in question.

45.4.2  Where a report shows a net amount owed by the Contractor to the Authority, the Contractor shall pay that amount to the Authority on the final Business Day of the Payment Period to which the report refers or, at the option of the Authority, carry forward that amount to the next report in reduction of amounts which would otherwise have been owed by the Authority to the Contractor.