New Sender ID ruling for SMS messages sent to Italy - A new resolution for sending SMS messaging to Italy came into effect on 15 October 2013. The rule requires that the senders of bulk SMS messages register their Sender ID with AGCOM, the Italian Communications Authority, as per AGCOM Resolution No. 42/13/CIR NRA entitled: Rules for Testing of Indicators for Alphanumeric identification of the Subject in the caller SMS/MMS used for Messaging Services. A Sender ID cannot be used if it has not been registered on AGCOM’s database.