Since 1972, special permission is required to enter the tower.

They are then required to enter the word into the text entry field.

Prior to 2006 a permit was required to enter the area.

Passes are required to enter either gallery at any time.

At the time, special permits were required to enter the town.

He is not required to enter a plea at this point.

Each player is required to enter his four men into the game from the starting point.

As such the minimum age required to enter the 6th grade was changed from 10 to 11 years old.

Only the first ten are required to enter the next area.

Key cards are required to enter, and every guest has to have one.