 2019  Contract number: [ complete ]  I.6.3 Payment of the balance  I.6.4 Performance guarantee  I.6.5 Retention money guarantee  3. If the contracting authority has observations to make, it must send them to the contractor (or  leader in the case of a joint tender) and suspend the time limit for payment in accordance with  Article II.21.7. The contractor (or leader in case of a joint tender) has 10 days to submit  additional information or corrections or a new version of the documents if the contracting  authority requires it.  4. The contracting authority must give its approval and pay within the remainder of the time- limit indicated in point (2.) unless it rejects partially or fully the submitted documents or  deliverables.  1. The contractor (or leader in the case of a joint tender) may claim the payment of the balance  in accordance with Article II.21.6. The contractor (or leader in the case of a joint tender) must send an invoice in paper format or  via  e-PRIOR  for payment of the balance due under a specific contract or order form, as provided  for in the tender specifications and accompanied by the following: 2. The contracting authority must approve the submitted documents or deliverables and pay  within 60 days from receipt of the invoice. The relevant invoices must indicate the reference  number of the FWC and of the order form or specific contract to which they refer.  3. If the contracting authority has observations to make, it must send them to the contractor (or  leader in the case of a joint tender) and suspend the time limit for payment in accordance with  Article II.21.7. The contractor (or leader in the case of a joint tender) has 10 days to submit additional  information or corrections or a new version of the documents if the contracting authority  requires it. 4. The contracting authority must give its approval and pay within the remainder of the time- limit indicated in point (2.) unless it rejects partially or fully the submitted documents or  deliverables.  Performance guarantee is not applicable to this FWC.  Retention money guarantee is not applicable to this FWC.  8  • a list of all  pre-existing rights  to the  results  or parts of the  results  or a declaration stating  that there are no such  , as provided for in Article II.13.4; • the deliverables and other documents specified in the specific contract or order form ; 