representative  of the  entity$^{30}$   'Attachments'  'Other  documents'.  Power of attorney (see Section 2.4.1) model in Annex 3. Power  of attorney  ☒ With the tender in e-Submission 'Power of  attorney'  In  the  Group  leader's  section  under  'Parties'   'Identification  tenderer'   'Attachments'  'Other  documents'.  Commitment letter (see  Section  2.4.2  and  2.4.3) ☒  (model in  Annex 5.1) ☒  (model in Annex  5.2) With the tender   in e-Submission  'Commitment  letter'  With the concerned entity  under 'Parties'   'Identification tenderer'   'Attachments'  'Other  documents'. Evidence of non-exclusion (see Section 3.1) ☒ ☒ ☒  Only  upon  request  by  the  Contracting authority At  any  time  during  the  procedure n.a.  n.a.  Evidence of legal existence  and status  ☒ ☒ ☒  Only upon request by  the EU  Validation services At  any  time  during  the  procedure In the Participant Register  n.a.  n.a.  $^{30}$ A document that the Contracting authority can access on a national database free of charge does not need to be submitted if the Contracting authority is provided with the exact internet link and, if applicable, the necessary  identification data to retrieve the document.  36