Upvote:1
According to the Polizia di Stato d'Italia
Requirements for immigrants leaving Italy temporarily
Foreigners awaiting renewal of their residence permits can leave and re-enter Italy if they hold:
- the receipt issued by Italian Post offices (Poste Italiane S.p.A) certifying the submission of the application for renewal of their residence permit or EC residence permit for long-term residents;
- the expired residence permit;
- their passport or other equivalent travel document .