Italian fiscal code card

The Italian fiscal code card, officially known as Italy's Codice Fiscale, is the tax code card in Italy, similar to a Social Security Number (SSN) card in the United States or the National Insurance Number issued in the United Kingdom. The tax code in Italy is an alphanumeric code of 16 characters. The card serves to identify unambiguously individuals residing in Italy irrespective of residency status. Designed by and for the Italian tax office, it is now used for several other purposes, e.g. uniquely identifying individuals in the health system, or natural persons who act as parties in private contracts.

The number is issued by the Italian tax office. Each person in the past was handed a plastic card with a magnetic strip, bearing the tax code as well as the surname, given name(s), sex, place and province of birth (or country of birth if foreign), date of birth and date of issue. Today, the tax or fiscal code card has been replaced by a combined Italian health insurance card for qualifying residents which shows an expiration date.

Recalculating one's tax code

On the internet, there are several web sites and software packages that allow one to calculate one's tax code. However, the only official tax code is the one provided by the tax office, which handles cases of identical tax codes (which is a pretty frequent case for people not born in Italy, as in this case the 4-characters town code in the codice fiscale is replaced by a 3-digit country code), an arbitrary changing of a tax code, as well as cases where a code is incorrect, but still valid (because provided by the tax office).

Fiscal code generation

The laws covering the calculation of a fiscal code were put in place by the Ministry of Economy and Finances on December 23, 1976.

For natural persons, the fiscal code is made of 16 alphanumeric characters; for legal persons (e.g. corporations) it comprises 11 numeric-only characters.

The algorithm that follows is used to generate natural persons' fiscal codes.

Surname (3 letters)
the first three consonants of the surname are used. If there is more than one surname, both are considered as if they were one. If the surname has less than three consonants, then vowels will replace the blank spaces, in the same order they appear in the surname (e.g. "Rossi" would be RSS, "Masi" would be MSA). If the whole surname has less than three letters, the blank spaces are replaced with an X (e.g. "Fo" would be FOX, "Hu" would be HUX). If women have a married name, only the maiden one has to be considered.
First name (3 letters)
the first three consonants of the name are used. If there is more than one name, both are considered as if they were one. If the name has less than three consonants, then vowels will replace the blank spaces, in the same order they appear in the name (e.g. "Marco" would be MRC, "Paola" would be PLA). If the whole name has less than three letters, the blank spaces are filled with an X (e.g. Chinese name "Na" would be NAX). Some Indian immigrants in Italy are registered with a triple X instead of their first name, since their passport only indicates a single word which is used as a surname by the Italian register office. If the name has more than three consonants, the 2nd is skipped (e.g. "Riccardo" would be RCR; "Martina" would be MTN). This second-consonant skipping rule for names that have more than three consonants is only used for first names, not for surnames.
Birthdate and gender (5 alphanumeric characters)
Year of birth (two digits): the last two year of birth digits are used (e.g. "1972" would be 72);
Month of birth (one letter): each single month is associated with one letter, as shown in the table:
LetterMonthLetterMonthLetterMonth
A January E May P September
B February H June R October
C March L July S November
D April M August T December
Birthday and gender (2 digits): the two birthday digits are used (from 01 to 31); if the person is a woman, 40 is added (e.g. 01 would be 41, 31 would be 71).
Town of birth (4 alphanumeric characters)[1]
the so called Belfiore code is used as codice catastale (registry code), which comprises one letter, then three digits. Each single Italian town (comune) has its own code, which is mostly determined by alphabetical order (e.g. Abano Terme, the 1st Italian comune in alphabetical order, has the code A001). People born in a foreign country have their own code according to the country of birth, all of them beginning with letter Z (e.g. United States code is Z404, the UK code is Z114, Australia is Z700, etc.). For the complete list of the Italian towns' registry codes, see here; for the complete list of foreign countries' registry codes see here.
Check character (one letter)
Starting from the preceding 15 characters, a check digit is determined as follows:
  • the eight odd characters (1st, 3rd, 5th, etc.) are set apart; same thing for the seven even ones (2nd, 4th, 6th, etc.).
  • after that, each single character is converted into a numeric value as show in the tables below:
ODD CHARACTERS
CharacterValueCharacterValueCharacterValueCharacterValue
0 1 9 21 I 19 R 8
1 0 A 1 J 21 S 12
2 5 B 0 K 2 T 14
3 7 C 5 L 4 U 16
4 9 D 7 M 18 V 10
5 13 E 9 N 20 W 22
6 15 F 13 O 11 X 25
7 17 G 15 P 3 Y 24
8 19 H 17 Q 6 Z 23
EVEN CHARACTERS
CharacterValueCharacterValueCharacterValueCharacterValue
0 0 9 9 I 8 R 17
1 1 A 0 J 9 S 18
2 2 B 1 K 10 T 19
3 3 C 2 L 11 U 20
4 4 D 3 M 12 V 21
5 5 E 4 N 13 W 22
6 6 F 5 O 14 X 23
7 7 G 6 P 15 Y 24
8 8 H 7 Q 16 Z 25
  • after that, all of the values are to be added up, and the final result has to be divided by 26; the remainder (Modulo) will give the last character, according to the following table:
REMAINDER
RemainderLetterRemainderLetterRemainderLetterRemainderLetter
0 A 7 H 14 O 21 V
1 B 8 I 15 P 22 W
2 C 9 J 16 Q 23 X
3 D 10 K 17 R 24 Y
4 E 11 L 18 S 25 Z
5 F 12 M 19 T
6 G 13 N 20 U

Examples

Here is the fiscal code of a fictitious Matteo Moretti (male), born in Milan on 09 April 1925:

Here is the fiscal code of a fictitious Samantha Miller (female), born in the USA on 25 September 1982, living in Italy:

See also

References

Notes
  1. ↑ "Table of the Italian municipalities cadastral codes" (PDF). agenziaentrate.gov.it. Retrieved 24 January 2014.
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