BRUSSELS, May 30 (Reuters) - Europe's top court on

Thursday backed Alphabet's Google, Amazon ( AMZN ) and

Airbnb ( ABNB ) in their fight against an Italian rule requiring

them to provide information on the companies.

"A member state may not impose additional obligations on an

online service provider established in another member state,"

the Luxembourg-based Court of Justice of the European Union

said.

The cases are C-662/22 | Airbnb Ireland, C-667/22 Amazon

Services Europe, C-663/22 Expedia ( EXPE ), C-664/22 Google Ireland,

C-666/22 Eg Vacation Rentals Ireland and C-665/22 Amazon

Services Europe.