A balance sheet intent about being temperate (9)

I believe the answer is:

abstinent

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'temperate' is the definition.
(thesaurus)

'a balance sheet intent about' is the wordplay.
'balance sheet' becomes 'bs' (this might be a standard abbreviation of which I'm unaware).
'about' is an anagram indicator.
'intent' is an anagram of 'tinent'.
'a'+'bs'+'tinent'='ABSTINENT'

'being' is the link.

Can you help me to learn more?

(Other definitions for abstinent that I've seen before include "Keeping off alcohol" , "Not taking drink" , "nowhere near the drink" , "Going without, especially food and alcohol" , "On the wagon" .)

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

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