2023-09-22 00:00:00 Porto Sem Papel (PSP) takes another step in the digital transformation. Initially released to serve port administrators with the functionality of registering the berthing and unberthing of vessels, the tool will remain in constant update, facilitating and streamlining the operation of the PSP, now directly through the cell phone. It's the PSP in your hand. Reviews and praise regarding this app? Feel free to contact us through the e-mail [email protected]. In case of doubts and problems related to the PSP Application, access the service for users of the Porto Sem Papel Service at the Serpro Service Center and select the Port Data Concentrator option: