In recent years auditing has undergone significant changes, due in large part to well-publicised corporate disasters such as Enron and Parmalat, which have shaken the profession. In response, many countries have replaced pre-existing domestic standards with International Standards on Auditing (ISAs) in an attempt to ensure that auditors throughout the world apply the same level of standards during all audit assignments, and that audit quality remains consistent on a global basis.

International Standards on Auditing are frequently updated to improve and clarify their application throughout the audit and accounting profession. They can be extremely complex and difficult to apply in real life situations. It is essential to apply the standards with sufficient rigor to enable an efficient audit to take place, to satisfy the regulators and ensure that the client receives and audit which is beneficial, cost effective, and which conforms to the prescribed framework; however, auditors are often criticised for failing to do so.

Recognising that auditing is not always an exact science, and that in many cases the auditor is called upon to make a judgement in situations open to differing opinions, this book takes a practical and pragmatic approach to following International Standards on Auditing. Steve Collings looks at the full ISAs in their final form, as reissued following the IAASB 'Clarity Project', and give auditors guidance on how to interpret and apply them in real life situations. Each redrafted or rewritten ISA is dealt with in a separate chapter, containing case studies and illustrative examples. The book also covers the regulatory framework of auditing and gives a summary of the five ethical standards applicable to auditors, as mapped by the IAASB. Detailed appendices provide an overview of IFRS and IAS, illustrative audit tests and illustrative financial statements.