Verohallinto (Vero) is the Finnish Tax Administration is the revenue service of Finland. It is a government agency steered by the Ministry of Finance. It collects around two-thirds of the taxes in the country, with the rest being collected by the Finnish Customs and the Finnish Transport and Communications Agency Traficom.
In the end of year 2020, Verohallinto will close Katso service (currently extended to 30.4.2021), and it will be replaced with Vero integration. This help section will go thru the process on how you can enable the new Vero integration in Briox and replace the Katso login.
In Briox, Vero integration is used for VAT reporting, and the functionality will be extended in the future to cover other types of reporting as well.