Is there a Polish system for invoicing and tax settlements?

When an ERP system goes down, a company literally grinds to a halt. Invoices can't be issued, salaries can't be calculated, and customers start calling faster than IT can reboot the server. For an accounting firm or service provider, even an hour of downtime can mean chaos and a loss of customer trust. That's why more and more companies are taking a closer look at what's happening.