Amendments to this Constitution may be initiated in either house of the General Assembly. The first step to amending the Illinois Constitution is a Joint Resolution being filed in either the Illinois House or Illinois Senate.U.S. Constitution, amend. Below is an overview of constitutional amendment processes in the 50 states. I discuss the various possible ways of amending state constitutions. All forms about the filing requirements of the Illinois Limited Liability Company Act can be obtained from the Limited Liability Company publications section. All Illinois Courts must accept these forms. Prospective Operation of Bill of Rights. If you fill out a form on a webpage, you will lose your progress. Official announcement of ratification was not made until January 8, 1798, when President John Adams in a message to Congress stated that the Eleventh Amendment.