Mobile Application is an Interaction portal for those dealing with the NAT (Seamen's, Companies, other public services) reducing the times required for the various actions and optimizing the efficiency of the work produced. GREEK SEAMEN'S PENSION FUND is a Greek public insurance organization. The data of the application concerns Greek insured people and access is given only with personal tax codes. Please note that access is only available to individuals or legal entities that are insured by NAT. Users of the mobile application, by logging in with their personal tax codes, can see their maritime service history (time periods of previous service, type of ship, type of service, salary information).