On arrival, such a visitor would be asked to declare that there was no reason why he should be refused entry.

BBC: You are in: UK

At a NASDAQ board meeting in Manhattan last month, a visitor approached a compact, white-haired guy who looks as if he belongs in a college chemistry lab and asked if he was thinking about a top job in the new Administration.

CNN: Turnaround Guy

When an official visitor asked for directions to the toilet at Kabila's residence, a guard nervously searched for the key to a locked en-suite bathroom.

ECONOMIST: Congo

Though he sat in plain sight, no one approached him in the restaurant, and as he walked his visitor along backstreets to Manchester Piccadilly, he was stopped only once by a guitarist who asked him where he could meet like-minded musicians.

WSJ: Still Close to His Roots | Johnny Marr | Cultural Conversation by Jim Fusilli