Italy tax deadlines 2026.

Use this skill whenever asked about Italian income tax for self-employed individuals (lavoratori autonomi, liberi professionisti) under regime ordinario. Trigger on phrases like "Modello Redditi PF", "Quadro RE", "IRPEF", "redditi di lavoro autonomo", "imposta sul reddito Italy", "deduzioni", "detrazioni", "addizionale regionale", "addizionale comunale", "regime ordinario", "acconti IRPEF", "no tax area", "INPS Gestione Separata", "rivalsa INPS", or any question about filing or computing income tax for an Italian freelancer or professional. Also trigger when preparing or reviewing a Modello Redditi PF, computing deductions, or advising on regime ordinario tax obligations. This skill covers progressive IRPEF brackets, deduzioni, detrazioni, addizionali, acconti, Quadro RE structure, rivalsa INPS, and penalties. ALWAYS read this skill before touching any Italian income tax work. Does NOT cover regime forfettario -- see it-regime-forfettario.md.

Use this skill whenever asked about Italian e-invoicing, FatturaPA, Sistema di Interscambio (SDI), electronic invoicing compliance in Italy, Codice Destinatario, PEC invoicing, fattura elettronica, TD document types, cross-border e-invoicing via SDI, conservazione sostitutiva, or any question about issuing, receiving, validating, or archiving electronic invoices in Italy. Also trigger when preparing or reviewing XML invoices for SDI submission, handling SDI rejection (scarto) errors, configuring Codice Destinatario or PEC routing, or advising on FatturaPA technical format compliance. This skill covers the FatturaPA XML schema, SDI transmission channels, mandatory fields, validation rules, archiving, penalties, and interaction with Italian VAT returns. ALWAYS read this skill before touching any Italian e-invoicing work.

Use this skill whenever asked about Italian INPS social contributions for self-employed professionals (Gestione Separata). Trigger on phrases like "INPS contributions", "Gestione Separata", "contributi previdenziali", "aliquota INPS", "rivalsa 4%", "acconto saldo INPS", "minimale contributivo", "massimale INPS", "F24 contributi", "how much INPS do I pay", or any question about Italian freelance social security obligations. Also trigger when classifying bank statement transactions showing F24 INPS payments, Gestione Separata acconti/saldo debits, or Agenzia delle Entrate INPS-related debits. ALWAYS read this skill before touching any Italian social contribution work.

Use this skill whenever asked about Italian payroll processing for employees. Trigger on phrases like "Italian payroll", "busta paga", "cedolino", "IRPEF ritenuta", "ritenuta d'acconto dipendenti", "INPS contributi", "contributi previdenziali", "TFR", "trattamento di fine rapporto", "CU certificazione unica", "F24", "tredicesima", "quattordicesima", "stipendio netto Italia", "brutto netto Italia", "Agenzia delle Entrate", "addizionale regionale", "addizionale comunale", "CCNL minimum wage", "ferie maturate", "malattia INPS", "maternità INPS", or any question about computing employee pay, income tax withholding, or social contributions in Italy. This skill covers IRPEF withholding, INPS contributions (employee and employer), TFR, mandatory benefits, busta paga (payslip) requirements, CU/F24 filing, and employer cost analysis. ALWAYS read this skill before processing any Italian employee payroll.

Use this skill whenever asked about reducing tax in Italy, tax planning, saving tax, optimizing tax, allowances, deductions the client might be missing, or any question about legal strategies to minimize income tax liability for self-employed individuals in Italy. Trigger on phrases like "reduce tax", "tax planning", "save tax", "optimize", "allowances", "deductions I'm missing", "risparmiare sulle tasse", "ottimizzazione fiscale", "pagare meno tasse", "detrazioni", "deduzioni". ALWAYS read this skill before advising on any Italian tax optimization strategy.

Use this skill whenever asked about bookkeeping, chart of accounts, Piano dei Conti, financial statements, P&L format, balance sheet layout, bank reconciliation, expense classification, asset capitalisation, or day-to-day accounting for an Italian entity. Trigger on phrases like "piano dei conti", "chart of accounts Italy", "bilancio", "conto economico", "stato patrimoniale", "OIC principles", "Codice Civile accounting", "regime forfettario bookkeeping", "capitalise or expense Italy", "ammortamento", "depreciation Italy", "bank reconciliation Italy", "microimpresa", "bilancio abbreviato", "bookkeeping Italy", or any question about recording transactions, classifying expenses, or preparing accounts under Italian law. ALWAYS read this skill before touching any bookkeeping work for Italy.

Use this skill whenever asked about Italian estimated income tax advance payments (acconti IRPEF) for self-employed individuals, freelancers, or professionisti. Trigger on phrases like "acconti IRPEF", "acconto imposta", "estimated tax Italy", "Italian advance tax", "primo acconto", "secondo acconto", "historical method", "forecast method", "metodo storico", "metodo previsionale", "F24 payment", or any question about advance income tax obligations under the TUIR. Covers the two-instalment schedule (40% by Jun 30, 60% by Nov 30), historical vs forecast computation methods, the EUR 257.52 threshold, penalties for shortfall, and F24 payment procedures. ALWAYS read this skill before touching any estimated tax work for Italy.

Use this skill when preparing, reviewing, or advising on annual financial statements (bilancio d'esercizio) for an Italian company. Trigger on phrases like "bilancio", "deposito bilancio", "Camera di Commercio", "Registro delle Imprese", "XBRL Italy", "codice civile 2423", "bilancio abbreviato", "micro imprese", "OIC", "revisione legale", "collegio sindacale", "nota integrativa", or any question about preparing and filing statutory accounts under Italian civil code. Covers OIC standards, size thresholds, required statements, formats, notes, filing deadlines, and audit requirements.