"I think maybe their protocol requires them to act that way."

It also, of course, means that other countries around the world may go further than the protocol requires.

Protocol further required no statements other than those needed to answer a direct question.

Protocol required that the emperor's visit be a short one.

The old protocol required 194 nations to agree one set of targets.

Protocol did not require such an introduction; he could have gone on after the first exchange.

Not that he needed a coat in this weather, but protocol required it.

I believe protocol requires that we open the floor to debate.

Therefore, protocol required that America's great writer be received by his sovereign.

This wasn't a formal dinner where protocol would require she sit apart from him.