But some food labels already reflect the changes as many companies voluntarily comply.

Most foreign operators of 120 other older 737's are expected to follow customary practice and comply with the rule voluntarily.

On the other hand, she said, those who will comply voluntarily are "the easy ones."

Just keep in mind that no international law requires compliance with such requests, although some countries may comply voluntarily.

This makes implementation of a kill switch that much more difficult: Each company would have to voluntarily comply.

Q. What happens after six months if they don't comply voluntarily?

Our strategy is to encourage you to comply with customs requirements voluntarily.

The defendant will be requested to voluntarily comply with the judgment.

As is the case with most laws, much of the tax system relies on people's willingness to voluntarily comply.

"Our efforts have been to get people to comply voluntarily."