 A regional agreement enabling significantly lower roaming charges in the Western Balkans from was signed at the 2nd Western Balkans Digital Summit in Belgrade 4 April 2019, and came into effect from 1 July 2019.The last member state of EFTA, Switzerland, is not party to the EEA agreement, and is instead linked to the EU by a series of bilateral agreements.Despite close relations with the EU in several fields, the regulations do not apply to Switzerland, and charges are usually considerably higher for EEA residents roaming in Switzerland, and for Swiss residents in the EEA, especially on internet data.