Crossword Genius

Concerning money due no day following (7)

Ross

I believe the answer is:

retinue

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'following' is the definition.
(I've seen this in another clue)

'concerning money due no day' is the wordplay.
'concerning' becomes 're' (both can mean on a particular topic).
'money' becomes 'tin' (old-fashioned slang term for money).
'due no day' becomes 'ue' (I can't explain this - if you can you should give a lot more credence to this answer).
're'+'tin'+'ue'='RETINUE'

Can you help me to learn more?

(Other definitions for retinue that I've seen before include "Group of servants with important person" , "VIP's attendants" , "Cortege" , "Attendants, followers" , "Group of assistants" .)

I've seen this clue in the Sydney Morning Herald.
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