I must speak to people according to proper protocol.

Throat Shot appreciated the warning, for he had no idea of the proper protocol here.

What do you think is the proper protocol for this situation?

Back then it was not proper protocol to ask, or to speculate private matters.

They could not carry on proper protocol, but communication was still intact.

"I kind of always felt like that was the proper protocol, especially after a good match."

Even so, you can never go wrong following the proper protocols.

What exactly is the proper protocol for making a complaint against an instructor at this university?

Although I have no idea what the proper protocol should be.

I suspect one could probably get away with just about anything, so long as it was wrapped in the proper historical protocol.