A broad-ranging, multinational view of domestic governments’ powers to control and block foreign investment. Expert local insight in 19 jurisdictions worldwide, covering: an overview of law and policy towards oversight of foreign investment, powers of the regulators to intervene on national interest grounds and threshold issues, procedure: notification and filing submissions, timelines for clearance, regulatory guidance, lobbying, assessment: tests for clearance, interagency and international consultation, remedies and appeals and detailed analysis of recent leading case law.