prawo niepisane

It's been an unwritten law since the services became organized, and last night I broke it.

You're going to find there are a lot of unwritten laws in Texas.

I have always been a firm believer in the unwritten law.

All the law, written and unwritten, is on your side.

He had broken the unwritten laws of the white man.

But there was an unwritten law in connection with them.

Absolutely no plastic is an unwritten law in the household.

That seems to be the unwritten law in Iran today: no sharing.

Now there is an unwritten law that each family has its own place in the market.

By the unwritten law of the Clan, he should have let her die.