This book is the only analysis of the legal regime governing collective investments in the important financial centre of Luxembourg. Written by expert practitioners from a leading funds practice, it provides a detailed, comprehensive, and practical account of the regulation and operation of investment funds under Luxembourg law. Beginning with a definition of undertakings of collective investment funds and a description of the background to the relevant legislation, the authors go on to provide a detailed account of how undertakings for collective investments are classified and how they operate in practice. Covering all relevant EU Directives including the UCITS Directives, Prospectus Directive, MiFID, and the Savings Directive, the authors also consider the application of these Directives under Luxembourg law. The latest developments on the AIFM Directive are also addressed. A comprehensive and systematic account, this new edition is an important reference source for all practitioners and investment managers regularly dealing with Luxembourg investment funds, as well as providing an exceptional introduction to this area of the law.