Where the purchaser decides to authorise economic operators from countries outside the European Union or the European Economic Area to take part in the contract award procedure under the conditions laid down in sub-section 5 of section 1 of chapter II, a candidate who is not an economic operator from a Member State of the European Union or the European Economic Area shall produce, in support of his application, all documents, information or evidence enabling an assessment to be made as to whether he meets the criteria for access to the procedure set out in the notice of invitation to tender.