Crossword Genius

Written authority giving protection for those eating Lebanese on vacation (5)

Ross

I believe the answer is:

bible

I'm a little stuck... Click here to teach me more about this clue!

'written authority' is the definition.
'bible' can be an answer for 'authority' (bible can mean any important or authoritative text). I'm not certain of the 'written' bit.

I don't understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for bible that I've seen before include "reliable work" , "Authoritative source" , "Holy Scripture" , "It contains scriptures" , "Christian holy book" .)

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