The code forbade privileges based on birth, allowed freedom of religion, and specified that government jobs go to the most qualified.

Our code forbids it for that very reason.

He couldn't help wondering what she was doing here, but an unwritten code of the West forbade him to ask.

This code forbade duels between people of different ranks.

"The code of my order forbids me to betray my client."

The yuan-ti religious code forbids them from harming other reptiles, however.

Tanis paused; the knight's code of honor forbade running from danger.

His code forbids such revelations, and possibly that is one of his secrets too.

"My ethical code forbids me to take advantage of an intoxicated mind."

You see, our code forbids the use of weapons, but we are not so stupid as to believe that absolute passivity will solve every situation.