Customers
You must
register by indicating your Taxpayer no., Entity code (available on your water bill) and email address.
Then you will receive a username and access code in your email, which are required to sign in. Registration and use are free of charge.
Professionals
You must
register by indicating the service number, Corporate Taxpayer number, and an email address.
Then you will receive an access code in your email. Registration and use are free of charge.