You requested your Q4 VAT refund in Spain: how long the Tax Agency has to pay, and what happens if it's late

You closed the year with VAT in your favour, ticked “Solicitud de devolución” (refund request) on the Q4 modelo 303 –as we explained in the article on VAT to offset– and now you’re waiting. How long? Is there a date from which you can actually complain if it hasn’t arrived? There’s a precise rule for this, and a piece of good news almost nobody mentions.

The deadline: six months from the end of the filing period

Spain’s VAT Act sets the deadline precisely: the Tax Administration must issue the relevant assessment “within the six months following the end of the period set for filing the self-assessment in which the refund is requested.”¹ For the Q4 modelo 303, that filing deadline ends on 30 January. So if you file on time, the six-month clock starts on 30 January and runs out on 30 July of the same year.

If you filed the Q4 modelo 303 late –say, on 15 February instead of 30 January– the calculation changes: the six months are counted from the date you actually filed, not from 30 January.¹ In that specific case, the deadline would fall on 15 August.

What the Tax Agency does during those six months

Within that period, the Administration may carry out a provisional assessment: a check that the amount you’re claiming matches what you’ve declared. That’s normal, and it doesn’t mean they suspect you; it’s the standard procedure for any VAT refund.¹

Here’s the part that’s least known, and it works in your favour: if the Tax Agency doesn’t get round to that provisional assessment within the six months, the law doesn’t say you have to wait for a decision. It says the Administration “shall proceed to refund ex officio the full amount requested”, without prejudice to a later assessment reviewing it further down the line.¹ In other words: once the deadline passes without any check on your return, they owe you the full amount you requested, automatically.

If it runs past six months, you’re owed interest without asking for it

If the deadline passes and the Administration still hasn’t ordered payment for a reason attributable to itself –not to you– the law requires it to pay late-payment interest on the pending amount, calculated from the day after the deadline until the day payment is ordered, and it says so explicitly: “without the taxpayer needing to claim it.”¹ You don’t have to write in asking for the interest; if there’s a delay, you’re owed it regardless.

The late-payment interest rate is set each year by Spain’s General State Budget Act (article 26 of the General Tax Law points to that rate: the legal interest rate plus 25%, unless the Budget Act sets a different one), so it’s worth checking the figure for the specific year the delay happens in rather than assuming an old number still holds.²

One nuance about what counts as a delay “attributable to the Administration”: if the delay is down to something outside the Tax Agency’s control –for example, you taking your time responding to a request for documents as part of a check– that time doesn’t count in your favour when calculating the interest.³

A worked example with dates

You file the Q4 modelo 303 on 25 January, on time, requesting a refund of €1,200.

• That quarter’s filing deadline ends on 30 January. The six-month clock starts that day.
• If by 30 July the Tax Agency hasn’t carried out any provisional assessment, they owe you the full €1,200 back automatically.
• If payment is ordered, say, on 15 September –a month and a half after the deadline– you’re owed, on top of the €1,200, late-payment interest for those 47 days of delay, calculated at that year’s rate, without having to claim it separately.

How does Cuéntamo help with this?

Cuéntamo doesn’t speed up the Tax Agency’s payment –that’s entirely down to the Administration– but it does let you see clearly when your deadline started counting: the filing date of the Q4 modelo 303 stays on record, so if July arrives and the refund hasn’t shown up in your account, you have the exact date in front of you to check whether the legal deadline has already passed and interest is owed, instead of having to dig up when you filed.

To review when it’s worth requesting a refund instead of continuing to offset, and how long you can keep carrying a balance forward if you choose not to request it, the articles on VAT to offset and how long you can carry it forward before losing it cover both with full worked examples.

FAQ

How long does the Tax Agency take to refund Q4 VAT in Spain?

Up to six months from the end of that quarter’s filing deadline (30 January), or from the actual filing date if you filed late. Within that time, they may carry out a provisional assessment before paying.

What happens if six months pass and nothing has been checked?

The Administration must refund the full amount you requested ex officio, without waiting to complete any check, without prejudice to a later assessment reviewing it further down the line.

Do I have to claim the interest if there’s a delay?

No. If the delay is attributable to the Administration, the law requires it to pay interest without you asking, calculated from the day after the six-month deadline until payment is ordered.

Does the time I take to respond to a document request count as the Tax Agency’s delay?

No. Delays in the procedure not attributable to the Administration –such as you taking time to provide requested documents– don’t count towards that interest calculation.

Is this deadline the same in Spain’s foral territories?

This article covers the common-territory system (modelo 303). The Basque foral territories and Navarre have their own VAT and tax-procedure rules, with their own calendars and procedures that we don’t cover here.

References

Figures as of 2026. The six-month deadline under article 115.Three of the VAT Act and the automatic late-payment interest mechanism under article 31 of the General Tax Law are those in force at the time of publication; the late-payment interest rate is set each year and should be checked against the corresponding General State Budget Act.

This article is checked against official sources and reviewed periodically. If you spot something out of date, write to us at [email protected].