Crossword Genius

Thrilling tale: unknown items recorded here? (8,7)

Ross

I believe the answer is:

suspense account

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'unknown items recorded here?' is the definition.
(banking term)

'thrilling tale' is the wordplay.
'thrilling' becomes 'suspense' (I am not sure about this - if you are sure you should give a lot more credence to this answer).
'tale' becomes 'account' (I've seen this in another clue).
'suspense'+'account'='SUSPENSE ACCOUNT'

Can you help me to learn more?

(Another definition for suspense account that I've seen is " Where money may be held".)

I've seen this clue in The Telegraph.
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