Due to technical intervention (Infraestructure Migration Process), which is planned for the Production Environment of Banco Santander Portugal for Saturday, 28th, and Sunday, 29th  of October, between 3:30 AM and 05:00 AM GMT (same period), there will be predictable unavailability with links to SIBS (Card services and OBA - Open Banking), for about 1 hour and 30 minutes during the intervention period.