Forthcoming in the Max Planck Yearbook of United Nations Law (27) however, is that the ‘success’ of any of the ILC’s projects in this domain hinges on finding the right balance between codification and progressive development. This also includes taking into account the historical, political, and social circumstances surrounding the topic at issue, as well as the broader legal environment of which it is part. It is hoped that the Commission continues to contribute to a better understanding of key principles and rules of international migration law, thus furthering their sensible use by members of the legal profession who are often faced with uncertainty in this deeply contentious field. 37 Electronic copy available at: https://ssrn.com/abstract=4816199