• only complete line 14 (Revenue) of the Simplified Financial Statement (version for non-profit  organisations), available in section 4. Annexes;  • provide extracts from any available documents (e.g. income tax returns) as evidence on their  average income for the last two financial years amounting to at least the value indicated above  (under “Criteria”).  If, for some exceptional reason which ECDC considers justified, a tenderer is unable to provide one or other  of the above documents, it may prove its economic and financial capacity by any other document which  ECDC considers appropriate. In any case, ECDC must at least be notified of the exceptional reason and its  justification. and financial capacity.  The objective of this section is to ensure that the tenderer is technically capable to perform the contract.  This involves two aspects: the capacity of the economic operators (A) and the capacity of the team  available to deliver the service (B).  Project references consist in a list of relevant services provided in the past number of years indicated in  the criterion, with the sums, dates and clients, public or private.  Tenderers (in case of a joint tender the combined capacity of all members of the group and identified  subcontractors) must comply with the criteria listed below. -  Criterion A1 Lot 1 : Experience in the field of coordination of multicentric studies, setting up and/or  evaluation of infectious disease surveillance systems, collecting and performing pooled statistical analyses  of data from multiple countries as well as methodological expertise related to epidemiological study  designs on vaccine effectiveness. A of minimum of five publications on observational studies including for  communicable diseases completed in the last five years, are required.  Evidence A1 LOT 1:  References for five publications on observational studies including for communicable  diseases in the last five years, either official reports or publications in peer-reviewed journals; list of at  least two projects related to field of coordination of multicentric studies, setting up and/or evaluation of  infectious disease surveillance systems, collecting and performing pooled statistical analyses of data from  multiple countries. -  Criterion A2 LOT 1 : Capacity to produce reports in English (C1 equivalent 16 ).  Evidence A2 LOT 1: One document of at least 10 pages presenting outcomes of observational studies  (report, study, etc.) in English that has been drafted and published or delivered to a client in the last five  years. -  Criterion A3 LOT 1:  Capacity to work on international/multi-country project related to the scope of the  lot with at least five EU/EEA countries included. A. Criteria relating to tenderers  Evidence A3 LOT 1:  Reference for at least three international/multi-country projects delivered in the last  five years explaining the cross-border element and which countries that were involved.  16  Common European Framework of Reference for Languages: Learning, Teaching, Assessment (http://www.coe.int/lang-cefr)  26  3.2.4 LOT 1 Technical and professional capacity criteria