The expression "due process" refers to a famous phrase in the Fifth Amendment of the U.S. Constitution, which stipulates that no person is to be "deprived of life, liberty, or property, without due process of law; etc." Here is the full text of the Fifth Amendment:

http://en.wikipedia.org/wiki/Fifth_Amendment_to_the_United_S...

The phrase "due process of law" is often shortened to "due process."

Due process of law الإجراءات القانونية الأصولية

Due process الإجراءات الأصولية

Here is an Arabic version of the U.S. Constitution (the amendments are at the end):

http://www.dahsha.com/viewarticle.php?id=32542