Except for cases of justified suspension or outright exit from this agreement due to belligerent action(s) or inaction(s) paralyzing the Federal Government, this Basic Law may neither be amended nor abrogated nor suspended in whole or in part by any law or any party thereto (i.e., the cantonal Governments) except with the consent of all cantonal Parliaments after referendum on such matters with majority vote therein. (
Any amendment to this Basic Law shall require the consent of all four (4) Conational Parliaments with two thirds (2/3) majority of casted votes or favorable referendum.