Format: 1234567T or 1234567TA You can find it on: PPS card Tax documents (Revenue correspondence) Social welfare documents Pay slips • https://www.oecd.org/content/dam/oecd/en/topics/policy-issue-focus/aeoi/ireland-tin.pdf Italy Codice Fiscale (TIN) A Fiscal Code (CF) is usually a 16-character, alphanumeric string. Format: MRTMTT91D08F205J. The code is made up of letters and numbers and includes name, surname, date of birth, year of birth, etc.