identification

In some countries people need to have their passport or another kind of identification with them all the time.

Other countries only require identification when you're invited for a visit to the policestation.

At days like tomorrow and the day after - the change of years - many countries prepare for problems with fireworks and even riots.
Some countries have special laws that enable police to stop people and search them on the streets.

It's good to have your identification papers with you, in case of...