Italian codice fiscale: six name letters, two year characters, a month letter taken from the twelve letter set, two day characters with forty added for a woman, a Belfiore place code of one letter and three characters, then a check letter. The digit positions accept the omocodia substitutes, the letters the tax office writes in place of digits to break a tie, so those variants still match. That tolerance is the main noise source, it widens five positions, and a sixteen character uppercase token carrying a month letter in the ninth position can false-positive. No collision with any existing pattern.
Label: IT_CODICE_FISCALE
\b[A-Z]{6}[0-9LMNP-V]{2}[A-EHLMPRST][0-9LMNP-V]{2}[A-Z][0-9LMNP-V]{3}[A-Z]\bCF: MRTMTT91D08F205J → MRTMTT91D08F205JCodice fiscale RSSMRA85M01H501Z sur le bail. → RSSMRA85M01H501ZRSSMRA85M01H501ABCDEFGHIJKLMNOPTags: it, government-id, identity