Divine law
Divine law (Latin: ius divinum) is the name for a number of laws that were given by one or more gods. As such, they are not supposed to change. An example of divine law are the Ten Commandments in Christianity. It is similar, but different form natural law. It is completely different from positive law.
Today, many states are secular. They think that most laws are man-made, and therefore can be adapted, if necessary.