ISO standards are reviewed every five years and revised if required. This supports make sure they remain helpful tools for the market. The challenges faced by business and organizations today are very different from a few decades ago and ISO 9001 has been updated to take this new environment into account.

Both old and new standards cover effectively the same topics. However, there are some essential differences. Some of these are discussed below.

Structure of the standard

A general structure is possible because basic concepts such as management, client, needs, policy, procedure, planning, performance, objective, control, monitoring, measurement, auditing, decision making, corrective action, and nonconformity are general to all management system standards. While this will make it easier for organizations to implement multiple standards because they will all share the same basic needs, it may cause some disturbance in the short run as organizations get used to the new structure.

A common structure is possible because basic concepts such as management, customer, requirements, policy, procedure, planning, performance, objective, control, monitoring, measurement, auditing, decision making, corrective action, and nonconformity are common to all management system standards. While this will make it easier for organizations to implement multiple standards because they will all share the same basic requirements, it may cause some disruption in the short run as organizations get used to the new structure.