I'm afraid you'll have to have Lord Summerisle's authority.
4 seconds sound clip from the The Wicker Man (1973) movie soundboard.
You can hear this line at 00:28:25 in the Blu-ray version of the movie.
Quote context
[...]
- No.
- There's your answer, Sergeant. If she existed, we would know her.
- Poor old thing? Then why in God's name do you do it, girl?
- I'd like to see the school register, please.
- I'm afraid you'll have to have Lord Summerisle's authority.
- I'm afraid you'll have to have a search warrant or permission from Lord Summerisle himself.
- I'm afraid you'll just have to bear with me, won't you?
- You're liars. You are despicable little liars.
[...]