They can't enforce them on other countries but they can: - Have their ISPs block access to your network - Have their banks not process payments to you And if

They can't enforce them on other countries but they can: - Have their ISPs block access to your network - Have their banks not process payments to you And if you really want to generalize it to "laws" they can emit an arrest warrant: good luck ever travelling to another country that has an extradition treaty with any EU country. They can't prevent a business in another jurisdiction from operating but they sure can prevent your business from being conducted with any EEA entities.