A notice from the Spanish Tax Agency can be unsettling, especially if you do not understand what it is asking for. Before preparing a response, read the complete document and distinguish the specific request from the general explanations accompanying it.
Identify the Tax Agency notice and the required procedure
Note the issuing body, reference, tax and year concerned. Check who it is addressed to and what action it requests. Notices do not all have the same scope: supplying a document is different from making representations or lodging an appeal.
The Tax Agency says to use the response procedure indicated in the notification itself. Do not choose a procedure simply because its name looks similar.
Check the deadline and gather the documents
Find the deadline information and retain the complete notice together with its receipt details. If anything is unclear, have it reviewed before making assumptions about the timetable.
A simple working folder can help avoid mixing documents:
| What to gather | Why it helps |
|---|---|
| Complete notice | Understand the request and locate the reference |
| Related return | Cross-check the information behind the enquiry |
| Available supporting documents | Prepare an explanation backed by evidence |
| Unanswered questions | Identify what needs clarifying before replying |
This inventory helps prepare a review; it is not a universal list of documents required by the Tax Agency.
Prepare your response and keep the submission receipt
Connect each requested point to its explanation and supporting document. Avoid adding documents without context or answering a different question from the one in the notice. Missing information is better identified during preparation than at the point of submission.
After an electronic submission, retain the receipt generated by the register. It helps establish what was filed; it does not, by itself, mean the authority has accepted the explanation.
When to seek tax advice
If the scope is unclear, several tax years are involved or the documents do not match the return, a professional review can help organise the response. At MRC, we begin by reading the notice and understanding the context, without predicting the outcome.
Explore our tax advice service in Madrid, with remote support throughout Spain. Briefly describe your circumstances in the contact form, without including sensitive documentation.
Official Spanish Tax Agency source
Spanish Tax Agency: responding to requests or supplying documentation. The linked guidance is in Spanish.