Contract number: [ complete ]  Contract conditions of December 2015  II.3. Severability ............................................................................................................. 12$_{ }$ II.4. Delivery of supplies ................................................................................................ 12$_{ }$ II.5. Communication between the parties....................................................................... 16$_{ }$ II.5.1. Form and means of communication ................................................................ 16$_{ }$ II.5.2. Date of communications by mail and email .................................................... 16$_{ }$ II.5.3. Submission of e-documents via e-PRIOR ....................................................... 17$_{ }$ II.5.4. Validity and date of e-documents .................................................................... 17$_{ }$ II.5.5. Authorised persons in e-PRIOR ...................................................................... 18$_{ }$ II.6. Liability................................................................................................................... 18$_{ }$ II.7. Conflict of interests and professional conflicting interests..................................... 19$_{ }$ II.8. Confidentiality ........................................................................................................ 20$_{ }$ II.9. Processing of personal data..................................................................................... 20$_{ }$ II.10. Subcontracting ...................................................................................................... 21$_{ }$ II.11. Amendments ......................................................................................................... 22$_{ }$ II.12. Assignment ........................................................................................................... 22$_{ }$ II.13. Force majeure ....................................................................................................... 22$_{ }$ II.14. Liquidated damages .............................................................................................. 22$_{ }$ II.14.1. Delay in delivery............................................................................................ 22$_{ }$ II.14.2. Procedure ....................................................................................................... 23$_{ }$ II.14.3. Nature of liquidated damages ........................................................................ 23$_{ }$ II.15. reduction in price .................................................................................................. 23$_{ }$ II.15.1. Quality standards ........................................................................................... 23$_{ }$ II.15.2. Procedure ....................................................................................................... 24$_{ }$ II.15.3. Claims and liability........................................................................................ 24$_{ }$ II.16. Suspension of the performance of the contract..................................................... 24$_{ }$ II.16.1. Suspension by the contractor ......................................................................... 24$_{ }$ II.16.2. Suspension by the contracting authority........................................................ 24$_{ }$ 4 