Blog & Guides
Discover everything about the Italian Tax Code: complete guides, tutorials, special cases, omocodia, health card and more. Updated 2025 articles.
CalculationHow to Calculate Italian Tax Code: Complete Guide
Learn how to calculate the Italian Tax Code step by step. Complete guide with practical examples and special cases.
CalculationItalian Tax Code for Foreigners
Complete guide on how to get an Italian Tax Code for foreign citizens, required documents and procedures.
CalculationTax Code for Newborns: Complete Guide
How to request the Tax Code for a newborn, required documents and timelines. Automatic health card.
CalculationDocuments Required for Tax Code
Complete list of documents needed to request the Tax Code in Italy. Different cases for Italians and foreigners.
CalculationCommon Tax Code Calculation Errors
The 10 most common mistakes when calculating the Tax Code and how to avoid them.
TechnicalOmocodia Explained Simply
What is omocodia in the Tax Code, why it occurs and how the Revenue Agency resolves it.
TechnicalThe CIN Control Character Explained
How the control character (CIN) of the Tax Code works. Calculation algorithm and conversion tables.
TechnicalItalian Municipality Cadastral Codes
Complete database of cadastral codes for all 7904 Italian municipalities. Find your municipality's code.
TechnicalDifference Between Tax Code and VAT Number
Differences between Tax Code and VAT Number: when they're needed, who must have them and how to get them.
TechnicalTax Code Structure: The 16 Characters
Detailed analysis of the Italian Tax Code structure. What each of the 16 characters means.
DocumentsItalian Health Card: Complete Guide
Everything about the Italian Health Card: how to get it, renewal, loss and use abroad.
DocumentsEuropean Health Insurance Card (EHIC)
The European Health Insurance Card: what it is, how to request it and how to use it in Europe.
DocumentsTax Code and Electronic ID Card
The Tax Code on the new Electronic Identity Card (CIE). How to read and verify it.
DocumentsTax Code and SPID: Digital Identity
How the Tax Code is linked to SPID and Italian digital identity. Available online services.
Special CasesTax Code for EU Citizens
Guide for European citizens: how to get an Italian Tax Code, rights and simplified procedures.
Special CasesTemporary Tax Code: When and How
What is the temporary (numeric) Tax Code, when it's assigned and how to convert it to permanent.
Special CasesData Change and Tax Code
What happens to the Tax Code when personal data changes: marriage, name change, errors.
Special CasesTax Code of Deceased Persons
The Tax Code after death: validity, inheritance, tax procedures and required documents.
Practical GuidesVerify Tax Code Online
How to verify the validity of an Italian Tax Code. Free online tools and official methods.
Practical GuidesHistory of the Italian Tax Code
The history of the Tax Code: from its introduction in 1973 to today. Evolution of the Italian tax system.