Contract number: ECHA/2020/724  Restricted  Service contract conditions of December 2018  of the contract. This does not affect the legality, validity or enforceability of any other provisions  of the contract, 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 contract must be interpreted as if it had contained the substitute provision  as from its entry into force.  II.4. PERFORMANCE OF THE CONTRACT  II.4.1  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 contract, in particular the tender  specifications and the terms of its tender. Where the Agency has the right to make  modifications to the  results , they must be delivered in a format and with the necessary  information which effectively allow such modifications to be made in a convenient  manner.  II.4.2  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 7  and compliance with data protection obligations resulting from  Regulation (EU) 2016/679 8  and Regulation (EU) 2018/1725 9 .  II.4.3  The contractor must obtain any permit or licence required in the State where the services  are to be provided. II.4.4  All periods specified in the contract are calculated in calendar days, unless otherwise  specified. II.4.5  The contractor must not present itself as a representative of the contracting authority  and must inform third parties that it is not part of the European public service.  II.4.6  The contractor is responsible for the  personnel  who carry out the services and exercises  its authority over its  personnel without interference by the contracting authority. The  contractor must inform its   that:  (a) they may not accept any direct instructions from the contracting authority; and  (b) their participation in providing the services does not result in any employment or  contractual relationship with the contracting authority.  II.4.7  The contractor must ensure that the  personnel performing the contract and any future  replacement  personnel  possess the professional qualifications and experience required to  provide the services, as the case may be on the basis of the selection criteria set out in  the tender specifications.  II.4.8  At the contracting authority’s reasoned request, the contractor must replace any member  of  personnel  who:  (a) does not have the expertise required to provide the services; or  13  7 OJ L 94 of 28.03.2014, p. 65  8 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 movement of such data, and repealing  Directive 95/46/EC, OJ L 119, 4.5.2016, p. 1,  https://eur-lex.europa.eu/legal- content/EN/TXT/?uri=uriserv:OJ.L_.2016.119.01.0001.01.ENG 9 Regulation (EU) 2018/1725 of the European Parliament and of the Council of 23 October 2018 on the protection of  individuals with regard to the processing of personal data by the Union institutions, bodies, offices and agencies and  on the free movement of such data and repealing Regulation (EC) No 45/2001 and Decision No 1247/2002/EC, OJ  L 295/39 21.11.2018, https://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32018R1725&from=EN 