As a result, the rules of the game can differ between continents or even countries.

The rules of inheritance differ between societies and have changed over time.

The rules for the line of play often differ from one variant to another.

As it is now, the rules differ depending on the site.

The rules here differ in that only one action is available - forming an army.

I don't even buy the attitude that the rules differ in a creative industry.

The rules differ on the other shows, but the point remains the same.

But the rules have differed in each of the services.

In some instances, his rules differ from the modern standard.

Australia is a federation, and the rules of evidence differ between States.