Some are open to everyone while others require certain conditions for being a member.

These are the minimum conditions required for them to be able to get and hold down a job in the countries where they live.

In such cases, we do indeed seem to take decisions and choices as having required conditions.

That is the acts are carried out without a knowledge of the conditions required for their success.

This reform process will create the conditions required for economic recovery.

This would require tight conditions on the aid, they say.

This was a condition required of other western states that were admitted into the Union later.

But that would require certain conditions, and there's no sign of them coming anytime soon.

That requires rules and conditions, which, on the other hand, we want to keep to a necessary minimum.

All the conditions required to call something a triangle can be, and are, listed.