Right now, the Vietnam tourism board is advising tourists to avoid eating chicken.
The hotels have signs advising tourists not to leave the buildings tonight.
The authority advises tourists to book rooms at country house hotels, many of which have packages that include carolers and Christmas dinners.
To advise tourists on relevant paperwork and procedures required by public and private institutions.
He once advised tourists to eat lettuce only if it is "sterilized with a blowtorch."
The society, and theater box offices, can advise tourists on reputable agencies that may be able to offer premium seats to popular shows.
He had advised tourists that the women charge $25 to $50 for 20 minutes, paid in advance.
(The American government, for its part, once advised tourists not to use the terms "Frenchies" or "natives" when referring to the local population.)
There are no signs at the airport to advise tourists of this regulation.
Some vacation companies actually advise potential tourists not to make any important plans two weeks before and two weeks after a planned trip to the continent.