Brasília, 10/15/2026 – The National Waterway Transportation Agency (ANTAQ) informs that the Electronic Information System (SEI) will undergo scheduled maintenance this Thursday (15), starting at 8 PM.
During the procedure, the system will be unavailable for internal and external users for an estimated period of 30 minutes to one hour.
The Agency advises users to save their work and complete ongoing activities in the system before the maintenance begins, in order to avoid loss of information.
