Foreigners holding a visa for research (long term Type D) whishing to stay more than 90 days have to apply for the permit of stay for research  by 8 days from the arrival in Italy. 

Attention: Researcher needs to inform the host organisation about the arrival as an appoitment with Sportello Immigrazione Regione FVG will be taken on your behalf. You will be informed due on time. 

How to apply for first issue/renewal?
At the appointment you will receive the application kit (Mod 209) already filled out (for the first issue only), the Italian Tax Identification number (codice fiscale) and the Integration Agreement form to be signed (if it is your first time in Italy). You will be then required to enclose to the application:

1. Mod 209, Forms 1 and 2 filled out. Download the instructions if you have to renew the permit.
 
2. a revenue stamp (marca da bollo) of € 16.00. It can be bought at any newsagent's and tobacconist's (tabaccaio) where cigarettes are sold

3. copy of your Italian tax Identification number

4. copy of the hosting agreement - convenzione di accoglienza (or copy of the renewal for the permit of stay renewal)

5. copy of the Nulla Osta (entry clearance) for scientific research purposes (not requested for the renewal)

6. copy of the postal giro slip recepit of €30,46, plus the administrative contribution if you apply or renew for more than 3 months, to be paid in the same postal giro slip at any post office by using the postal giro slip in the kit. Remember to pay the administrative contribution according to the lenght of your hosting agreement (up to 1 year or more). The fee is €40 for permits up to one year, €50 from one year up to two years, €100  for more than 2 years.

7. copy of your passport (blank pages included)

8. proof of health insurance (e.g. private health insurance, registration with the National Health Service SSN, etc.) to be asked to your host organisation

9. proof of accommodation (i.e tenancy agreement, declaration of hospitality, etc.) and copy of cessione fabbricato (ask landlord)

10. proof of the research activities you are going to carry out (i.e. research project. For the renewal you need an extension of the project timeline)

N.B. The postal fee to send the kit is €30. 

Attention: After sending the application please follow the instruction described in point 2 (fingerprinting appoitment) and 3 (collect the permit) in Residence permit webpage (click on "read more").

When renewing the permit, you are asked to go first to Post office to collect the request kit and then fill it out by yourself Or by host organisation Or by a Patronato immigration office of your choice. Check this out.