1) The present Constitutional deed shall be universally binding after its promulgation as the fundamental law of the country.
2) Amendments to or universally binding interpretations of this fundamental law may be proposed either by the Government or by Parliament or by way of an initiative (article 64). They shall require unanimity of the Members of Parliament present or a majority of three quarters of the Members present at two consecutive meetings of Parliament voting in favour, a popular vote if called for (article 66), and in any event the subsequent assent of the Reigning Prince, with the exception of the procedure to abolish the monarchy (article 113).