Contract number: ECHA/2020/666  (1) Where the contracting authority is the rightful owner of the developed software, the  Contractor shall hand over within 10 [ten] working days the specifications,  results , sources  and documentation, including access keys.  (2) Where the contracting authority has paid for maintenance of developed software, the  Contractor shall hand over (immediately and without charge) the specifications,  results ,  sources and documentation, including access keys, required by the Agency for the proper  operation of the software, insofar as the Contractor has a legal right to do so.  Without prejudice to Article II.18.4, in case of termination of the FWC for any reason  whatsoever, the contracting authority is entitled to continue to use the services under on- going specific contracts on the same terms and conditions as immediately prior to the  termination of the FWC. The same rule applies in case of termination of QTM specific  contracts with regard to on-going subtasks thereof.  In the context of transitions between contracts (phase-in, phase-out, as well as  handover/takeover across Lots), and as an integral part of the services provision, the  contractor shall, actively collaborate, by attending joint-workshops at the contracting  authority’s premises and / or premises of 3rd parties (for instance, incumbent or new  contractor’s premises) with staff from the contracting authority and/or staff from a 3rd  party, where the Contractor is explaining / presenting / training ECHA and/or staff from a  3rd party on respective project and/or product / service in scope of this FWC, by providing  complete information and documentation on the services, with the future service provider  and with the contracting authority, in order to minimise the costs and to guarantee the  continuity of the services. Without prejudice to the contracting authority’s right to impose liquidated damages as  stipulated in Article II.15 of the General Conditions, the liquidated damages specified in  the provisions of the Service Level Agreement in Annex VIII regarding the contractor’s  failure to deliver shall be applied in the first place.  I.20. SPECIFIC PROVISION ON COLLABORATION WITH OTHER PARTIES  DURING TRANSITIONS.  I.21. SPECIFIC PROVISIONS ON LIQUIDATED DAMAGES  I.22. AUDIT  I.23. ELECTRONIC DOCUMENT EXCHANGE Without prejudice to Article II.24, the contracting authority is entitled to conducting audits  to verify the continuous compliance of the contractor with the requirements of this FWC  and, when necessary, at the contractor’s site.  It is intended that the document exchange (e.g. invoices, deliverables, order forms/specific  contracts, etc.) between the contracting authority and the Contractor will have to be carried  out via electronic means.   At the request of the contracting authority, the use of such electronic applications will  become mandatory, upon mutual agreement, during the performance of the contract, at  no additional cost for the contracting authority. 16 