[Excerpt] Within the ILO/EC framework of cooperation, this comparative study on Labour Inspection Strategies for Combatting Undeclared Work was carried out during the biennium 2012-13. The study was coordinated by the ILO, Labour Administration and Inspection Programme (LAB/ADMIN) in cooperation with EC Unit EMPL-B2/Labour Law. The purpose of this study was to consider the role that national labour inspection systems in the EU have as part of a strategic policy response to undeclared work.