Leavitt stated that they had an organism and that it required a code.

Bank machine cards have always required a secret code known only to the card holder.

The vault is a fireproof room with a steel door that requires a code to unlock it.

But there was a code-punch panel, the kind that requires a numerical code in order to make the door open.

We require either an additional key or a specialized code to release the shield.

An order to move, say, $4.2 million requires a different code from one for $42 million.

The key for one of the locks requires a code to be duplicated.

It required only two wires, but a more complex code and slower transmission speed.

Parliament requires a code of conduct for Commissioners and Cabinets.

Even though the choir is made of volunteers, it requires a strict code of conduct.