Took advantage of dues (4)

I believe the answer is:

used

I'm a little stuck... Click here to teach me more about this clue!

'took advantage of' is the definition.
(I've seen this before)

'dues' is the wordplay.
'dues' can be anagrammed to 'USED'.
Though, I'm not sure how the anagram is indicated.

Can you help me to learn more?

(Other definitions for used that I've seen before include "Availed oneself of" , "Enjoyed" , "Brought into service" , "with some traffic" , "Second-hand; consumed" .)

I've seen this clue in The Irish Independent and The Irish News.

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