Most places where a bevy of motorcyclists stay don't require ties.

This year he required ties for the male students three days a week and a "dress for success" day on Wednesdays for female students.

These days, ties don't invariably connote sophistication or seriousness, and suits don't necessarily require ties.

"In California, very few restaurants require coats and ties, and the feeling is just generally more laid back," he said.

A senior administration official said that despite the record of Sudan and its top officials, the C.I.A.'s mission requires ties with its Sudanese counterpart.

The Latilla restaurant in the main lodge is formal, requiring jackets and ties for men.

Some schools require ties for boys and bows for girls.

Heavier rail sections and long welded rails were also being installed, requiring higher-quality ties.

For President Bush to require ties in the Oval Office only reinforces the fact that people do not wear them voluntarily.

Restaurants All these restaurants are informal and do not require ties.