Law No. 91 of February 5, 1992
Legge 5 febbraio 1992, n. 91
The foundational modern Italian citizenship law. Replaced the 1912 law and established the current framework for citizenship by descent, by marriage, and by residence. Allows dual citizenship.
What this law actually does
Article 1: Citizenship by birth to an Italian citizen parent
Article 3: Adult foreigners can acquire citizenship after 10 years of residence
Article 5: Citizenship by marriage after 6 months of residence (or 3 years without)
Repealed the prohibition on dual citizenship from the 1912 law
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