Customary law,

Definition of Customary law:

1. Traditional common rule or practice that has become an intrinsic part of the accepted and expected conduct in a community, profession, or trade and is treated as a legal requirement.

How to use Customary law in a sentence?

1. There was a customary law there and I didnt like it because I usually did not like any kind of laws that prevented me from being free.
2. You should try to understand what all of the customary law says so that you are never breaking it in any way.
3. The customary law could not be bent or broken in the region as all of our competitors abided by it.