be conditional upon

The easing of restrictions would be “conditional upon the continued preservation of the region’s security,” and could be further expanded if the border situation improves, the body, known as COGAT, said.

The outcome of Hill's case is chilling because it appears to create an exception to the rule that no one should share another person's private photos without consent, a principle that likely should not be conditional upon anything.

In his submission to the court Baldry writes: “The phrase ‘we remain less than happy’, is a civil service euphemism, because we were obviously extremely unhappy at the prospect of technicians and their dependents being placed above the law, and this I made clear by instructing that any agreement must be conditional upon the waiver.”

There are those who believe that support should be conditional upon Britain's ability to outline its reasons and expectations before such an extension is granted.

On Friday, White House press secretary Sarah Sanders said any meeting would be conditional upon Pyongyang agreeing to unspecified demands.