The Regional Authority in Italy is Intercent-ER - Agenzia regionale di sviluppo dei mercati telematici:

Address

Intercent-ER
Viale Aldo Moro n. 38 – 40127 Bologna
Att: Anna Fiorenza

Information on local domain requirements
See Transport Infrastructure Agreement TIA-Annex 5 - Italy (PDF)
 

Support issues should be directed to
gsabbioni@regione.emilia-romagna.it
Phone: +390515273101
 

Security issues should be directed to
gsabbioni@regione.emilia-romagna.it

Please click here for the complete list of PEPPOL Regional Authorities.