Oh that's easy. I got one in the barracks.
4 seconds sound clip from the At War with the Army (1950) movie soundboard.
You can hear this line at 01:23:14 in the DVD version of the movie.
Quote context
[...]
- Well, that's different. Give me that pass.
- We'll give you an emergency furlough.
- But get this: you'd better bring back a marriage certificate.
- Oh that's easy. I got one in the barracks.
- He doesn't mean his own sir.
- One of the boys has one tacked up on the wall.
- Korwin, you'd better get ready to go. Yes Sergeant.
- Sir, you want me to type up these furlough papers?
[...]