Article 255. Amendment of This Constitution
A proposed amendment to this Constitution shall be enacted in accordance with Article 256 or 257 of the Constitution.
Chapter Sixteen - Amendment of this Constitution
Article 256. Amendment by Parliamentary Initiative
Parliament shall publicise any Bill to amend this Constitution, and facilitate public discussion about the Bill.
Article 257. Amendment by Popular Initiative
An amendment to this Constitution may be proposed by a popular initiative signed by at least one million registered voters.