Fight or force admission, as from a legal perspective, it gets people in The Gate (5,2,5)

I believe the answer is:

right of entry

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'from a legal perspective it gets people in the gate' is the definition.
I can't judge whether this definition defines the answer.

'fight or force admission' is the wordplay.
'force' indicates anagramming the letters (letters must be forced into a new order).
'admission' becomes 'entry' (I've seen this before).
'fight'+'or'='fightor'
'fightor' anagrammed gives 'rightof'.
'rightof'+'entry'='RIGHT OF ENTRY'

'as' is the link.

Can you help me to learn more?

I've seen this clue in the Irish Times (Crosaire) and The Irish Times.

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