Settles - but I need terms renegotiated (10)

I believe the answer is:

determines

'settles' is the definition.
('determine' can be a synonym of 'settle')

'i need terms renegotiated' is the wordplay.
'renegotiated' is an anagram indicator.
'i'+'need'+'terms'='ineedterms'
'ineedterms' anagrammed gives 'DETERMINES'.

'but' is the link.

(Another definition for determines that I've seen is " Decides".)

I've seen this clue in The Globe and Mail.

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