Europol Public Information a) Use of workers posted to the contractor by another company owned by the same group  and established in a Member State (“intra-group posting” as defined by Article 1, 3, (b) of  Directive 96/71/EC concerning the posting of workers in the framework of the provision  of services).  b) Use of workers hired out to the contractor by a temporary employment undertaking or  placement agency established in a Member State (“hiring out of workers” as defined by  Article 1, 3, (c) of Directive 96/71/EC concerning the posting of workers in the framework  of the provision of services).  c) Use of workers temporarily transferred to the contractor from an undertaking established  outside the territory of a Member State and that belongs to the same group (“intra- corporate transfer” as defined by Article 3, (b) of Directive 2014/66/EU on the conditions  of entry and residence of third-country nationals in the framework of an intra-corporate  transfer) .  d) Use of staff without employment contract (“self-employed persons working for the  contractor”), without the tasks of the self-employed persons being particular well-defined  parts of the contract.  e) Use of suppliers and/or transporters by the contractor, in order to perform the contract  at the place of performance, unless the economic activities of the suppliers and/or the  transporting services are within the subject matter of the contract. f) Performance of part of the contract by members of an EEIG (European Economic Interest  Grouping), when the EEIG is itself a contractor or a group member.  • which tasks it intends to subcontract and clearly indicate the roles, activities and  responsibilities of the subcontractor(s), • the volume or proportion of the activities likely to be subcontracted.  • any new subcontractor is not in an exclusion situation;  • the tenderer still fulfils the selection criteria and the new subcontractor fulfils the  selection criteria applicable to it individually, if any;  • the terms of the originally submitted tender are not altered substantially, i.e. all the tasks  assigned to the former subcontractor are taken over by another involved entity, the  General Guidance on Europol Procurement Procedures  Page  11  of  20 Changes concerning subcontractors identified in the tender (withdrawal/replacement of a  subcontractor, additional subcontracting) during the procurement procedure (after the  submission deadline and before contract signature) require the following verifications and the  prior written approval of Europol:  In case of subcontracting the candidate/tenderer shall clearly state in the section of the request  to participate /tender related to the eligibility and capacity:  All contractual tasks may be subcontracted unless the procurement documents expressly reserve  the execution of certain critical tasks to the single tenderer itself, or in case of a joint tender, to a  member of the group.  The persons mentioned in points a), b), c) and d) above will be considered as “personnel” of the  contractor as defined in the contract. 