This document provides information on the sources of employment law, the interrelation between common law, statutory law, and European law, adjustments that can be made by the tribunal in case of non-compliance with the ACAS code, the main elements of the ACAS early conciliation program, how negotiated settlements can be binding, and the relation of common law to legal reasoning. It also includes advice on legal liabilities for discrimination claims, potential legal liability for constructive dismissal, circumstances under which a restrictive covenant could be valid, and how employers and employees can respond to changes in the employment contract.