Business
Italy — Business: Annual Compliance
Italian IRES and IRAP returns are due by the end of the tenth month after year-end (31 October for calendar-year companies), with advance payments of 100% of prior-year tax in two instalments.
VerifiedProfessional tax guide — not a government sourcePwC Worldwide Tax Summaries – Italy corporate: tax administrationLast reviewed: 2026-10-26
Key facts
- The ordinary tax period is 12 months and need not match the calendar year; new companies may have up to 18 months.
- IRES and IRAP returns are due by the end of the tenth month after year-end (31 October for calendar-year entities).
- Advance payments equal 100% of prior-period net tax, split 40% by the end of the sixth month and 60% by the end of the 11th month.
- Payments are made electronically on the F24 form.
- Assessment periods run to the end of the fifth calendar year after filing, or the seventh year for omitted returns.