Why Are These Mistakes So Costly?
Spanish banks are required by anti-money-laundering regulations to trace the path of any significant transaction. When this path appears vague or unusual, the bank can halt the transaction, temporarily block the account, or even sever the banking relationship entirely — even if the money's origin is entirely lawful. The table below shows six common mistakes, why each is problematic, and the recommended fix.
| Mistake | Why It's Problematic | The Fix |
|---|---|---|
| Using informal intermediaries (hawala-style transfers) | Makes the funds' trail opaque and unverifiable to the Spanish bank | Use a reputable international exchange service or transfer via a third country with a documented legal history |
| Not documenting the origin of funds from the start | The bank cannot verify the transaction and requests additional explanation, which slows the process | Prepare origin-of-funds documents before making any large transfer |
| Splitting an amount into several small transactions | This behavior is recognized as an attempt to avoid the reporting threshold ("structuring") and is treated as suspicious | Make the transaction as a single, transparent transfer, with complete documentation justifying the amount |
| Transferring from a third party's account without explaining the relationship | The bank cannot establish the relationship between the sender and the recipient of the funds | Provide official proof of the relationship (family or contractual) and preferably transfer from an account in your own name |
| Not having documents officially translated and consular-legalized before applying | The bank will not accept incomplete or unofficial documents and the case is delayed | Prepare the official translation early, and the consular legalization chain if needed |
| Delaying a response to the bank's requests for clarification | Prolonged silence increases the risk of the account being temporarily or permanently blocked | Respond quickly and fully to any bank request, with the help of a legal advisor if needed |
Sometimes people split a large amount into several smaller transfers without intending to evade regulations, simply for convenience. Bank monitoring systems automatically flag this pattern, so it is always better to make the transfer as a single, transparent transaction.
General Advice for a Trouble-Free Transfer
The best approach is to plan before making the transaction: determine the transfer route, prepare the origin-of-funds documents, arrange the official translation in time, and choose a single, transparent route rather than several scattered ones. More details on the legal routes available can be found on the page on opening an account and transferring money.
The level of strictness and the documents requested can vary from one Spanish bank to another. Consulting a specialist familiar with different banks' procedures can help you choose the best option.
Frequently Asked Questions
Is using informal money-transfer channels entirely illegal?
It may be common practice in Iran, but from a Spanish bank's perspective the funds' trail is opaque and can lead to the account being blocked or the transaction rejected, even if the origin of the money is lawful.
What should I do if I have unintentionally split a large transfer?
It is best to speak with a legal advisor before making any further transfers, and to provide the bank with a clear explanation and complete documentation about the reason for splitting the transactions.
The bank has asked for an additional explanation — how much time do I have to respond?
Banks usually set a specific deadline (often a few business days) for a response. Delaying your reply increases the risk of the account being temporarily or permanently restricted.