I am adding my journey of getting Police Clearance Certificates from Italy. I wrote to multiple agencies and most quoted around 500-1300 Euro's including courier charges & then also I had to courier some Documents to them. Meanwhile I also took a shot at writing email to Casellario Giudiziale & they replied with detailed instructions. I wrote a letter of request, filled the forms, attached money transfer receipt (to IBAN IT49F0200805099000105479258) of 20 Euro's & 2 Marca Da Bollo stamps.
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I had already ordered Marca Da Bollo stamps to take a shot at sending the forms & see if they provide me the Documents before they replied. Otherwise I could have just filled forms, sent funds through transferwise & courier the filled forms with receipt & done. They delivered the Documents within 20 Days to my home. Unbelievable given what people expect from Italian Police. Yes, I have to get it translated but no agency quoted more than 150 Euro for translation including taxes. So, I got the job done in 50 Euros, which agencies would have got it done in 350-1150 euros excluding translation. IT WAS WORTH THE RISK. So, the process is simple Modello 3 filled, 50 Euro approx transfer to IBAN & sent them to their address along with a return envelope.