I'd done it to others when the occasion demanded; I had no kick coming.

Truth be told, they had called on much worse when the occasion demanded it.

He could remain at his post for days when occasion demanded it.

She had a strong sense of the dramatic, and could use it to good effect when occasion demanded.

She could talk in quite rough and ready language if occasion demanded.

Or you can use the credit to buy a gift for someone when the occasion demands it.

And to his office, when occasion demanded, any person of importance could find a way.

Here they were turned bottom side up and left until occasion should again demand their use.

Unless the occasion demands it, use mine name as you always have.

Oh yes, we could be very chic when the occasion demanded.