It is a Web portal for the management of Single Administrative Document for Docking Documento Único de Escala (DUE) aimed at ship owners, shipping companies, shipping agents, port and maritime authorities, pilots, tugboats, moorers or any other agent involved in the processing of authorization of entry and exit of vessels in ports.

Requests for Port Docking and Berths in accordance with the rules established in Order FOM/1498/2014, of 1st August 2014, amending Order FOM/1194/2011, of 29th April 2011, which regulates the integrated procedure for Docking at ports of National Interest.