Passport

a state document authorizing the bearer to travel, and commending him to the courtesy of foreign officials. A passport serves also as a certificate of citizenship and as a useful means of identification. Reputable citizens of the United States obtain passports on application to the department of state at Washington. Travelers are not required to exhibit passports in the United States, Canada, England, France, or the Scandinavian countries. Casual travelers are not required to hold passports in Germany. If residence is extended beyond ten days it is necessary to submit one's passport to the police authorities for inspection and approval. A boardinghouse keeper or the proprietor of a hotel who harbors a guest without having his passport approved is subject to fine and imprisonment. A passport is necessary even to enter Russia.