subcontracting, such declaration should be submitted for each member of the group  and for each identified subcontractor.  Further supporting evidence in support of this declaration may be requested from  the successful tenderer prior to signature of the contract. Such requested evidence  will be specified in the award letter and may have to be provided to EFSA before the  contract is signed. In addition to the evidence requested below, EFSA has the right, during the evaluation  process, to request further evidence on the tenderer’s compliance with the economic,  financial, technical and professional capacity requirements.  The tenderer must have generated an overall annual turnover of at least 500,000  € in  each of the last 3 closed financial years (2019, 2018 and 2017). Tenderers must declare they fulfil the economic and financial capacity by providing  a signed and dated Declaration on Honour on selection criteria, available here. In  case of a joint offer from a group of economic operators, such declaration should be  completed by the leading partner only. EFSA will request proof of annual turnover from the successful tenderer prior to  signature of the contract. Such requested evidence will be specified in the award  letter and must be provided to EFSA before the contract is signed. This evidence will  be evaluated on a consolidated basis.  During contract implementation, in case of request for the addition of new subcontracting  or assignment of the contract to a new legal entity, the economic and financial capacity  will be checked for the last 3 most recent closed financial years and not necessarily the  financial years published with the call. 1. The tenderer must have the following  minimum professional capacity to  perform the contract:  a) extensive and demonstrable experience in:  • environmental risk assessment regulatory requirements and methodologies in  several EU regulations, such as chemicals, biocides, GMOs, human and  veterinary medicinal products and feed additives products, etc; • development of roadmaps or other types of similar strategic documents (e.g.  prioritising research needs); B) Technical and professional capacity  SELECTION CRITERIA FOR LOT 1  • Development of roadmap for action on building a European partnership for  next generation, systems-based environmental risk assessment  Evidence requested in the offer: A) Economic and financial capacity  2.4 SELECTION CRITERIA  41 