Electronic Tendering
Tenderer's must sign and submit their tenders through the ADIF / ADIF AV TENDERER PORTAL according to the terms of the related Public Procurement Document governing electronic tendering.
Tenderers will have access to all the necessary information on their identification, registration and operation regarding the electronic submission of tenders contained in the "USER HANDBOOK AND TECHNICAL SPECIFICATIONS" document available in the Adif and Adif AV Contractor's Profile on the Public Sector Procurement Platform.
User registration is required to use the Adif/Adif AV Tenderer Portal.
Tenderers must sign the documentation using a recognised certificate before submitting their tender in guarantee of the identity of the signing party, the integrity of the documentation, non-rejection by both parties and confidentiality.
Autofirma, the e-signature software developed by the Ministry of Finance and Public Administrations, is required to provide authentication with an electronic certificate and sign documents. (You can download Autofirma on the ELECTRONIC ADMINISTRATION PORTAL)
Tenders can be submitted on the ADIF/ADIF AV TENDERER PORTAL and, in any case, by the date and time specified in the related notice. A recognised electronic signature is required to guarantee the identity and integrity of the electronic files of the documents, the tender and all associated documents.
Centro de atención a usuarios
Los licitadores disponen de servicio de soporte mediante un centro de atención a usuarios para atender los posibles problemas técnicos que surjan:
El horario de soporte técnico para los licitadores será el siguiente (excepto festivos nacionales):