Article XVIII is labeled "Amending and Revising the Constitution. Section 3 of Article 18 allows legislators to propose revisions to the state's Constitution.Below is an overview of constitutional amendment processes in the 50 states. I discuss the various possible ways of amending state constitutions. There have been 27 amendments to the Constitution, beginning with the Bill of Rights, the first 10 amendments, ratified December 15, 1791. This measure would amend the California Constitution to prohibit the state from denying or interfering with an individual's reproductive freedom. Constitutional Amendments 1-10 make up what is known as The Bill of Rights. Amendments 11-27 are listed below. MODE OF AMENDING AND REVISING THE CONSTITUTION. Sec. 1 – Any amendment, or amendments to this Constitution, may be proposed in the Senate or.