The broad spectrum of approaches reflected upon in this volume confirms that determining the applicable law in arbitration is a manifold task that needs to balance the involved interests, which are not necessarily always consistent with each other. The uncontroversial starting point is the primacy of party autonomy. Important also is the arbitral tribunal’s discretion. Party autonomy and arbitral discretion, however, are not absolute, and do not exist in a vacuum: arbitral awards are subject to (a restricted) court control. To be valid and enforceable, arbitral awards need to comply with...