This is the first part of a 2-volume set that presents an in-depth investigation into the canon of constitutionally conforming interpretation. These volumes address the fundamental issues the canon raises in the national, supranational and international contexts. In volume 1, experts from 19 jurisdictions, including Brazil, Canada, India, the UK, and the USA, present reports which give concise overviews of the approaches and debates on constitutionally conforming interpretation. These reports cover the structural background, the conditions of application, as well as issues of competence....