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# What certificates do I need to be able to deduct interest on my mortgage?

For your 2024 tax return, you need certificates for the year 2024.

These must be issued by the various banks.
For banks abroad, you will also need a tax certificate showing the interest paid in 2024.

Here are some examples of the certificates you will need:


![](https://storage.crisp.chat/users/helpdesk/website/1c5fc819171ffd00/snip2024032661w09dqa_1kewzzi.png =800x1000)

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![BIL](https://storage.crisp.chat/users/helpdesk/website/-/1/c/5/f/1c5fc819171ffd00/screenshot-2025-06-18-at-15482_15mad5m.png =700x900)

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![BGL](https://storage.crisp.chat/users/helpdesk/website/-/1/c/5/f/1c5fc819171ffd00/snip202403267k7375o_1mxvczy.png =700x900)
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![](https://storage.crisp.chat/users/helpdesk/website/1c5fc819171ffd00/snip202403268kur8a2_1i9dqsf.png =700x900)