Also, operators can request (yearly) authorization to apply limited surcharges in case the roaming rules would cause "unreasonable losses", example: https://www

Also, operators can request (yearly) authorization to apply limited surcharges in case the roaming rules would cause "unreasonable losses", example: https://www.viestintavirasto.fi/en/ficora/news/2017/fouroperatorsauthorisedtoapplyroamingsurcharges.html https://www.viestintavirasto.fi/en/ficora/news/2017/fouroper...