Directors’ duties The main directors’ duties developed by the courts were set out in statute for the first time in sections 171–177 of the Companies Act 2006 (general duties) (CA 2006). For details on the general duties, see Practice Notes: Directors' duties—nature, scope, interpretation and application, Directors' duties—directors' conduct: CA 2006, ss 171–174 and Directors' duties—directors' interests: CA 2006, ss 175–177. The common law rules and equitable principles on which the general duties are based continue to be relevant when (among other things) interpreting and applying the general duties. Accordingly, when considering the enforceability and breach of the general duties, it is necessary to turn to the common law rules and equitable principles that they are based on. Under CA 2006, s 174, a director has a duty to exercise reasonable care, skill and diligence, which is expressly stated to mean the care, skill and diligence that would be exercised by a reasonably diligent person with: • the general knowledge, skill