FWC conditions of October 2018  Union, the right to sub-license does not apply, except in the two cases foreseen by Article  II.13.2.; (n) to the extent that the contractor may invoke moral rights, the right for the contracting  authority, except where otherwise provided in this FWC, to publish the  results with or  without mentioning the  creator (s)’ name(s), and the right to decide when and whether the  results  may be disclosed and published.  Contract number: [ complete ]  The contractor warrants that the exclusive rights and the modes of exploitation may be exercised  by the Union on all parts of the  results , be it via a transfer of ownership of the rights, on those  parts which were specifically created by the contractor, or via a licence of the pre-existing  rights, on those parts consisting of  pre-existing materials .  Where  pre-existing materials  are inserted in the  results , the contracting authority may accept  reasonable restrictions impacting on the above list, provided that the said materials are easily  identifiable and separable from the rest, that they do not correspond to substantial elements of  the  results , and that, should the need arise, satisfactory replacement solutions exist, at no  additional costs to the contracting authority. In such case, the contractor will have to clearly  inform the contracting authority before making such choice and the contracting authority has  the right to refuse it.  When delivering the  results , the contractor must warrant that, for any use that the contracting  authority may envisage within the limits set in this FWC, the newly created parts and the  pre- existing material  incorporated in the  results  are free of claims from  creators  or from any third  parties and all the necessary  pre-existing rights  have been obtained or licensed. To that effect, the contractor must establish a list of all  pre-existing rights  to the  results  of this  FWC or parts thereof, including identification of the rights’ owners. If there are no  pre-existing  rights  to the  results , the contractor must provide a declaration to that effect. The contractor must  provide this list or declaration to the contracting authority together with the invoice for payment  of the balance at the latest. Upon request by the contracting authority, the contractor must, in addition to the list mentioned  under Article II.13.4., provide evidence that it has the ownership or the right to use all the listed  pre-existing rights , except for the rights owned or licensed by the Union. The contracting  authority may request this evidence even after the end of this FWC.  This evidence may refer, for example, to rights to: parts of other documents, images, graphs,  sounds, music, tables, data, software, technical inventions, know-how, IT development tools,  routines, subroutines or other programs (‘background technology’), concepts, designs,  installations or pieces of art, data, source or background materials or any other parts of external  origin.  This provision also applies to image rights and sound recordings.  This evidence must include, as appropriate: (a) the name and version number of a software product; 24  II.13.5. Evidence of granting of pre-existing rights II.13.4. Identification of pre-existing rights