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Time to give back travel permit (3,6)

Ross

I believe the answer is:

day return

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'travel permit' is the definition.
The definition and answer can be both related to communication as well as being singular nouns.
Maybe there's an association between them I don't understand?

'time to give back' is the wordplay.
'time' becomes 'day' (day is a kind of time).
'to' is a charade indicator (letters next to each other).
'give back' becomes 'return' (synonyms).
'day'+'return'='DAY-RETURN'

Can you help me to learn more?

(Other definitions for day return that I've seen before include "cheap ticket" , "There-and-back short-term ticket" , "Type of ticket" .)

I've seen this clue in The Daily Express and The Mirror.
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