Practical guide · Tax and business in Spain
Spanish Form 347: reconcile the data before the deadline
This annual information return covers certain transactions with third parties. Before filing, amounts, identification and timing should be reconciled with customer and supplier records.
Short answer
Spanish Form 347: transactions and filing deadline
The obligation depends on the nature and aggregate amount of transactions and the available exclusions. The official calendar sets each year’s deadline; for 2025 transactions, the 2026 calendar set 2 March 2026.
It is not a tax payment
It reports transactions, but discrepancies can lead to checks or requests for information.
Data is cross-checked
Tax numbers, names and amounts should agree with invoices, ledgers and the counterparty.
Exclusions apply
Not every transaction above the aggregate threshold is reported; alternative reporting and specific exclusions matter.
What to review
What it means in practice
- Totals by customer and supplier
- Correct tax numbers and names
- Quarterly allocation where required
- Transactions reported in other forms
- Leases and special cases
- Official calendar for the relevant year
How we approach it
How we approach it
- Context.
We identify the activity, territory, dates and real objective. - Evidence.
We check what is available and what is missing before filing or deciding. - Rule.
We verify the current legal basis and relevant official guidance. - Action.
We set responsibilities, a calendar and the next control points.
Related resources
Related resources
Frequently asked questions
Frequently asked questions
Does exceeding €3,005.06 always require reporting?
It is an important threshold, but the nature, exclusions and alternative reporting channels must also be checked.
What if the supplier reports a different amount?
Reconcile invoices, credit notes, advances and timing before filing or amending the return.
Is the deadline always the same date?
Not necessarily. Confirm the official calendar and the effect of weekends or public holidays.
Advixy · Tenerife · Canarias · España
Turn information into a sound decision
We review the activity, territory, dates and evidence before recommending a course of action. From Tenerife, we advise businesses across the Canary Islands and Spain.
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