New information has been published on the dedicated pages of this web site regarding the issuance of tax codes for both Italian and foreign citizens. Please check out the following links, available in both Italian and English:
Tax codes for ITALIAN CITIZENS: https://ambnicosia.esteri.it/it/servizi-consolari-e-visti/servizi-per-il-cittadino-italiano/codice-fiscale/
Tax codes for FOREIGN CITIZENS: https://ambnicosia.esteri.it/en/servizi-consolari-e-visti/servizi-per-il-cittadino-stranieri/fiscal-code-tax-identification-number/