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Tax Calendar

Last updated on 20th July 2026
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tipo Denominação Declaration due date Pagamento dia
IRS Monthly remuneration statement 10
IRS Form 44 declaration (Category F income without electronic rent receipts)
IRS Form 3 tax return and annexes
IRS Form 10 declaration
IRS Notification of long-term lease contracts or termination
IRS Validation of previous year's invoices in the e-Fatura portal
SS Monthly remuneration statement 10
SS Payment of social security contributions 20
IRS/IRC Inventory submission
IRS/IRC Form 30 declaration (income paid to non-residents) 30
IRS/IRC Payment of withholding taxes 20
IRS/IRC/IVA Invoice data submission or nil return 6
IRS/IRC/IVA Simplified Business Information (IES) 15
IVA SAF-T PT sales file submission 6
IVA Periodic VAT return (monthly taxpayers) 20 27
IVA Recapitulative VAT statement (monthly) 20
IVA Periodic VAT return (quarterly taxpayers)
IVA Recapitulative VAT statement (quarterly) 20
IVA Change declaration for VAT-exempt taxpayers (Art. 53)
IRC Form 22 corporate income tax return
IMI Notification of rents from urban properties leased before RAU
SELO Monthly Stamp Duty Return (DMIS) 20 20
IEC Customs declaration for release of tobacco products 15
IRC Advance corporate income tax payments 31
IRC Final corporate income tax payment
IRC Additional state surcharge advance payment
IMI Payment relating to previous year
IMI Additional Municipal Property Tax (AIMI)
IUC Recreational boats and aircraft
IUC Other vehicles 31

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