This element MUST be conveyed as the root element in any instance document based on this Schema expressionABIEInvitation To Tender. DetailsA message sent by the Contracting Authority to an Economic Operator inviting him to tenderInvitation To TenderA container for all extensions present in the document.BBIEInvitation To Tender. UBL Version Identifier. IdentifierThe version of the UBL schema being used.0..1Invitation To TenderUBL Version IdentifierIdentifierIdentifier. Type2.0.5BBIEInvitation To Tender. Subset Identifier. IdentifierThe identifier for a user defined subset of UBL.0..1Invitation To TenderIdentifierIdentifierIdentifier. TypeNESBBIEInvitation To Tender. Profile Identifier. IdentifierThe identifier for a user defined profile of the subset of UBL being used.0..1Invitation To TenderIdentifierIdentifierIdentifier. TypeBasicProcurementProcessBBIEInvitation To Tender. IdentifierAn identifier for the invitation to tender assigned by the receiver0..1Invitation To TenderIdentifierIdentifierIdentifier. TypeBBIEInvitation To Tender. Copy_ Indicator. IndicatorIndicates whether the invitation to tender is a copy (true) or not (false)0..1Invitation To TenderCopyIndicatorIndicatorIndicator. TypeBBIEInvitation To Tender. UUID. IdentifierA computer-generated universally unique identifier (UUID)0..1Invitation To TenderUUIDIdentifierIdentifier. TypeBBIEInvitation To Tender. Contract File identifier. IdentifierAn identifier for the process file (i.e. record) to which belongs the notification assigned by the sender.1Invitation To TenderContract File IdentifierIdentifierIdentifier. TypeBBIEInvitation To Tender. Approval Date. DateThe date assigned by the Contractor on which the Contract Documents were approved.0..1Invitation To TenderApproval DateDateDate. TypeBBIEInvitation To Tender. Issue Date. DateThe date assigned by the recipient's application at which the Request was received1Invitation To TenderIssue DateDateDate. TypeBBIEInvitation To Tender. Issue Time. TimeThe time assigned by the recipient's application at which the Request was received0..1Invitation To TenderIssue TimeTimeTime. TypeASBIEInvitation To Tender. Sender_ Party. PartyAn association to the Party sending this document.1Invitation To TenderSenderPartyPartyPartyASBIEInvitation To Tender. Receiver_ Party. PartyAn association to the Party receiving this document.1Invitation To TenderReceiverPartyPartyPartyASBIEInvitation To Tender. Legal_ Document Reference. Document ReferenceAn association to a Legal Document Reference0..1Invitation To TenderLegalDocument ReferenceDocument ReferenceDocument ReferenceASBIEInvitation To Tender. Technical_ Document Reference. Document ReferenceAn association to a Technical Document Reference0..1Invitation To TenderTechnicalDocument ReferenceDocument ReferenceDocument ReferenceASBIEInvitation To Tender. Additional_ Document Reference. Document ReferenceAn association to additional document references0..nInvitation To TenderAdditionalDocument ReferenceDocument ReferenceDocument ReferenceASBIEInvitation To Tender. Contracting Authority PartyAn association to the Contracting Authority that invites to tender1Invitation To TenderContracting Authority PartyContracting Authority PartyContracting Authority PartyASBIEInvitation To Tender. Originator_ Party. PartyThe party who originated Order.0..1Invitation To TenderOriginatorPartyPartyPartyASBIEInvitation To Tender. Procuring ProjectAn association to the Procuring Project of the tendering process1Invitation To TenderProcuring ProjectProcuring ProjectProcuring ProjectASBIEInvitation To Tender. Tendering TermsAn association to the Tendering Terms1Invitation To TenderTendering TermsTendering TermsTendering TermsASBIEInvitation To Tender. Tendering ProcessAn association to the Tendering Process1Invitation To TenderTendering ProcessTendering ProcessTendering ProcessASBIEInvitation To Tender. SignatureOne or more signatures applied to the request0..nInvitation To TenderSignatureSignatureSignature