Demand northbound chopper visits court (5)

I believe the answer is:

exact

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'demand' is the definition.
(synonyms)

'northbound chopper visits court' is the wordplay.
'northbound' says the letters should be written in reverse.
'chopper' becomes 'axe' (something which chops).
'visits court' becomes 'ct' (I am not sure about this - if you are sure you should believe this answer much more).
'axe' back-to-front is 'exa'.
'exa'+'ct'='EXACT'

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(Other definitions for exact that I've seen before include "Precise - demand" , "Specific" , "correct in every detail" , "Call" , "Correct; insist on" .)

I've seen this clue in The Sun.

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