Cash a cheque and I get a note in exchange (9)

I believe the answer is:

negotiate

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'exchange' is the definition.
(thesaurus)

'cash a cheque and i get a note' is the wordplay.
'i get a note' anagrams to 'NEGOTIATE'.
But, I am not sure how this is indicated.

'in' acts as a link.

Can you help me to learn more?

(Other definitions for negotiate that I've seen before include "I get a note (anag) - bargain" , "Find a way over (a difficult path)" , "Deal, bargain" , "Try to reach agreement through discussion" , "as diplomat does" .)

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

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