Rep queries its strange provisos (13)

I believe the answer is:

prerequisites

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'provisos' is the definition.
Although both the answer and definition are plural nouns, I can't see how they can define each other.

'rep queries its strange' is the wordplay.
'strange' is an anagram indicator.
'rep'+'queries'+'its'='repqueriesits'
'repqueriesits' is an anagram of 'PREREQUISITES'.

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

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