Spreadsheets as an external student - Key Code

Hello there,
I have a quick question that maybe someone can help me with. I booked the level 3 spreadsheet exam with a provider the other day, sitting it as an external student. I was told in the email that I would need to obtain a key code from the AAT to access the exam on the day. I have taken 9 exams before and have never to get a keycode myself.
With that being said, is it just a matter of contacting the AAT and getting the code over the phone? Is there a fee involved?
I've searched around but couldn't any info.
Thanks for any help.
I have a quick question that maybe someone can help me with. I booked the level 3 spreadsheet exam with a provider the other day, sitting it as an external student. I was told in the email that I would need to obtain a key code from the AAT to access the exam on the day. I have taken 9 exams before and have never to get a keycode myself.
With that being said, is it just a matter of contacting the AAT and getting the code over the phone? Is there a fee involved?
I've searched around but couldn't any info.
Thanks for any help.

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I just borrowed the Kaplan spreadsheets book from the library. I did alternate between different providers in the past, Kaplan and First Intuition, as I was trying to complete the diploma on an accelerated timeframe. I am not attending any training provider now.
I will contact the AAT and the exam centre I have booedk this test with and find out what can be done.
Thank you for your help.
Thanks
I have emailed lots of different places and still awaiting responses. One of the "catches" seems to be that you need your training provider to mark the tes/project. A lot of places will allow you to sit the exam but won't mark the test.
Kaplan in Moorgate, London will do the exam and marking for £99, might be the best I can do.
Thanks again for the responses.