Cycling's unwritten code of chivalry dictates that riders not take advantage of the leader when he has crashed.
A code of nit-picking sumptuary laws dictated who could own and wear what.
He wanted it to be 34.5 feet tall, while the code dictates that houses be no more than 30 feet tall.
Often, building codes dictate that a film must have a report verifying that it has met at least one of these standards.
The code dictates higher fines for adultery committed within the household of the female's father, husband, or brother, as opposed to another location.
But the code of behavior in football dictates that you do not disclose pain.
Traditional Chinese legal codes dictated that those who kill, die.
The unwritten code of protocol dictates that he should not try.
'You don't have to do this,' the innocent invariably insist to a man whose murderous code dictates otherwise.
A world where a code of silence and proscribed rituals dictate social behavior.