http://ec.europa.eu/budget/contracts_grants/info_contracts/financial_id/financial-id_en.cfm  4.3. Content of the submission under step 2: what documents to submit with the  tender?  The following requirements apply:  The documents to be submitted with the tender are listed in  Annex 2.  Cover letter  signed by an authorised representative of the tenderer.  Technical offer.   Financial offer.  The letter must clearly indicate:  o the procedure reference number and title,  o the name of the tenderer (in case of a  joint tender  the names of all members of  the group and the name of the  Group leader )$^{8}$,  o if applicable, the names of identified subcontractors as well as their tasks  during contract execution,  o the period of tender validity (in the absence of such indication the  Contracting  Authority  shall assume that the tender is valid at least for the minimum validity  period set in the Invitation letter),  o confirmation of acceptance of all terms and conditions of the Tender  Specifications and the Draft Contract.  The technical offer must provide all the information needed to assess the compliance with the  Technical specifications document (Tender specifications – part 2) and the award criteria. It  must include a preliminary process & instrumentation diagram (P&ID) along with a parts list  for the Equipment.  A complete financial offer, including the breakdown of the price needs to be provided. For  this purpose, the Financial Model in  Annex 7  shall be completed, duly signed and provided.  Please note that the tenderers are required to provide the prices for all the options (I to V) and  not quoting those means that the offer will be rejected. The  Contracting authority has no  obligation to buy the options and options IV and V can be purchased at any time during the  contract.  $^{8}$ Changes in the composition of the group are prohibited save in the exceptional circumstances set out in section  2.3.1 Joint tenders.  The financial offer shall be:  Page 18 of 32  TEMPLATE: Restricted procedure - Tender specifications Part 1 Administrative Specifications  JRC R.9 - IMS-JRC-S3.1-TMP-0048 - v.1.0 17/02/2020 M(EN) 