"Your papers, please" (or "Papers, please") is an expression or trope associated with police state functionaries demanding identification from citizens during random stops or at checkpoints.[1] It is a cultural metaphor for life in a police state.[2][3]
The phrase was popularized as the first line in the classic 1942 movie Casablanca which depicted life in Vichy-controlled Casablanca during World War II. The film opens with a scene of police officers searching a hotel for refugees fleeing from Nazi-controlled territory. The first line of the film is spoken by a police officer to a civilian he stopped on the street: "May we see your papers, please?" The civilian produces a document, but a second police officer declares that it "expired three weeks ago" and begins to tell the civilian he is under arrest. The civilian attempts to flee the police but a gunshot is heard and the civilian falls to the ground.[4]