Contract number: EEAS-618-DELBRBB-SER-FWC-2019   Template of June 2018 Updated November 2018  ‘Specific contract’ : a contract implementing the FWC and specifying details of a service to  be provided;  ‘Substantial error’ : any infringement of a contract provision resulting from an act or  omission, which causes or might cause a loss to the Union’s budget.  ‘Supplier portal’ : the  e-PRIOR portal, which allows the contractor to exchange electronic  business documents, such as invoices, through a graphical user interface; its main features can  be  found  in  the  supplier  portal  overview  document  available  on:  http://ec.europa.eu/dgs/informatics/supplier_portal/doc/um_supplier_portal_overview.pdf II.2. ROLES AND RESPONSIBILITIES IN THE EVENT OF A JOINT TENDER  In the event of a joint tender submitted by a group of economic operators and where the group  does not have legal personality or legal capacity, one member of the group is appointed as  leader of the group. II.3. SEVERABILITY  Each provision of this FWC is severable and distinct from the others. If a provision is or  becomes illegal, invalid or unenforceable to any extent, it must be severed from the remainder  of the FWC. This does not affect the legality, validity or enforceability of any other  provisions of the FWC, which continue in full force and effect. The illegal, invalid or  unenforceable provision must be replaced by a legal, valid and enforceable substitute  provision which corresponds as closely as possible with the actual intent of the parties under  the illegal, invalid or unenforceable provision. The replacement of such a provision must be  made in accordance with Article II.11. The FWC must be interpreted as if it had contained the  substitute provision as from its entry into force.  II.4. PROVISION OF SERVICES  $^{4}$  OJ L 94 of 28.03.2014, p. 65  $^{5}$  Regulation (EU) 2016/679 of the European Parliament and of the Council of 27 April 2016 on the  protection of natural persons with regard to the processing of personal data and on the free  13  II.4.1   Signature of the FWC does not guarantee any actual purchase. The contracting  authority is bound only by specific contracts implementing the FWC.  II.4.2  The contractor must provide services of high quality standards, in accordance with the  state of the art in the industry and the provisions of this FWC, in particular the tender  specifications and the terms of its tender. II.4.3  The contractor must comply with the minimum requirements provided for in the  tender specifications. This includes compliance with applicable obligations under  environmental, social and labour law established by Union law, national law and  collective agreements or by the international environmental, social and labour law  provisions listed in Annex X to Directive 2014/24/EU$^{4}$, compliance with data  protection obligations resulting from Regulation (EU) 2016/679$^{5}$ and Regulation (EU)  2018/1725$^{6}$.