 Operators can continue to impose surcharges if they can substantiate to the national regulators that they are unable to recover their "actual or projected costs" of providing roaming services.Agcom, the Italian communications regulator has told Italian operators Vodafone, Telecom Italia and Lycamobile they must comply with all aspects of the roaming regulations, as they believed some features were not being universally applied.In Sweden, the Swedish Post and Telecom Authority has started investigating whether Comviq is in compliance with the roaming regulations.