The introductory section of the Magna Carta is known as this, just like the intro to the U.S. Constitution
[DOC] [TLE] Introduction to the Bill of Rights | Teaching American History [PAR] The Magna Carta (1215) proclaimed the principle of no taxation without ... to play 
in securing what Section XV of the Virginia Declaration of Rights referred to as a 
... that only four states declined to preface a bill of rights to their constitutions: 
New ... that Madison called for and managed to secure in the federal Constitution.