Concerning an amount of money El Salvador takes back (7)

I believe the answer is:

resumes

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'takes back' is the definition.
The definition and answer can be both to do with communicating as well as being verbs in their -s form.
Perhaps they are linked in a way I don't understand?

'concerning an amount of money el salvador' is the wordplay.
'concerning' becomes 're' (both can mean on a particular topic).
'an amount of money' becomes 'sum' (synonyms).
'el salvador' becomes 'ES'.
're'+'sum'+'es'='RESUMES'

Can you help me to learn more?

(Other definitions for resumes that I've seen before include "Continues" , "Starts or takes up again" , "Carries on" , "Restarts" , "Begins again" .)

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

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