identified in the tender must provide a letter of intent signed by an authorised representative  stating their willingness to provide the services presented in the tender and in line with the present  tender specifications. All tenderers (including all members of the group in case of joint tender) must provide a signed  Legal Entity Form with its supporting evidence. The form is available on: http://ec.europa.eu/budget/contracts_grants/info_contracts/legal_entities/legal_entities_en.cfm Tenderers that are already registered in ECDC’s accounting system (i.e. they have already been  direct contractors) must provide the form but are not obliged to provide the supporting evidence.  The tenderer (or the leader in case of joint tender) must provide a Financial Identification Form  with its supporting documents. Only one form per tender should be submitted. No form is needed  for subcontractors and other members of the group in case of joint tender. The form is available  on: http://ec.europa.eu/budget/contracts_grants/info_contracts/index_en.cfm The tenderer (and each member of the group in case of joint tender) must declare whether it is  a Small or Medium Size Enterprise in accordance with Commission Recommendation 2003/361/EC.  This information is used for statistical purposes only.  Tenders must be submitted in one of the official languages of the European Union. ECDC prefers,  however, to receive documentation in English. Nonetheless, the choice of language will be not  play any role in the consideration of the tender.  By virtue of Point 11.1(e) of Annex 1 FR (Financial Regulation 2018/1046), ECDC reserves the  option to launch further negotiated procedure, with the contractor chosen as a result of the  present call for tender, for new services consisting in the repetition of similar services during the  three years following the signature of the original contract.  The successful tenderer(s) shall take the appropriate measures to be compliant with e-invoicing  and submit invoices through the system. The successful tenderer(s), whose tender was submitted  as a joint tender, may be required to acquire a Global Location Number (GLN), at no additional  cost for ECDC.  For additional information on ECDC’s e-procurement tools, please refer to:  https://ecdc.europa.eu/en/about-us/procurement-and-grants.  In the general implementation of its activities and for the processing of tendering procedures in  particular, ECDC observes Regulation (EC) No. 1049/2001 of the European Parliament and of the  Council of 30 May 2001 regarding public access to European Parliament, Council and Commission  documents.  1.12 Public access to documents  1.11 Use of Electronic Procurement Tools (e-Procurement)  1.10 Additional information  1.9 Language  6 