certified check
certified cheque

I was to appear with the contract and the first certified check.

In this way it is similar to a certified check.

"They also sent a certified check with your usual fee."

The full amount - in cash or a certified check - is usually required on the spot.

There is no time to think things over, or to get to the bank for a certified check.

"It takes a while to get a certified check," he says.

Inside it, he found a certified check made out to him for $20.000.

Now you want to know why it had to be cash or a certified check?

We'll have a certified check for you right away.

He signed it, and handed over a certified check for half a million.