The Tax and Customs Authority (AT) has released the tax agenda for December, enabling taxpayers to plan and stay on top of important deadlines.
Here’s a summary of additional tax deadlines for December in Portugal:
Throughout December: Vehicle owners must ensure the Single Circulation Tax (IUC) payment for vehicles with a registration anniversary in December.
December 5: This is the deadline to report the details of invoices issued in November or declare their non-existence. This applies to individuals and businesses conducting VAT-subject transactions.
December 10: Employers must submit the Monthly Declaration of Remuneration (DMR) for dependent work subject to IRS, covering wages paid in November.
Staying on top of these dates is essential to avoid penalties and ensure compliance with tax obligations.
Here’s a detailed breakdown of December’s key tax deadlines in Portugal:
December 16: This marks the deadline for taxpayers to make the third payment on account for IRC (Corporate Income Tax).
December 20: Several important deadlines fall on this date:
For Category B income holders, it is the final day to make the third payment on account for IRS (Personal Income Tax).
For those under the VAT Regular Monthly Regime, it’s the deadline to submit declarations for operations carried out in October.
Additionally, for IRS/IRC, this is the last day to deliver amounts withheld at source in November.
Regarding the IOF (Stamp Duty on Financial Transactions), December 20 also marks the deadline to submit the DMIS declaration and pay the tax due for November.
December 26: Those under the IVA Normal Monthly Regime must complete the payment of the tax determined in the declaration for October by this date.
These deadlines are crucial for ensuring compliance with Portugal's tax regulations.
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