The so-called proportionality test of modifications to the Canadian Constitution are discussed. The Constitution is, at times, described as a moving target for change.
Andree Lajoie & Henry Quillinan,
Emerging Constitutional Norms: Continuous Judicial Amendment of the Constitution—The Proportionality Test as a Moving Target,
55 Law and Contemporary Problems
Available at: http://scholarship.law.duke.edu/lcp/vol55/iss1/15