ISO 9001:2015 Clause 8.7.1 requires that organizations ensure that outputs that do not conform to their requirements are identified and controlled to prevent their unintended use or delivery, and take appropriate action based on the nature of the nonconformity and its effect on the conformity of products and services. This article is aimed at outlining, differentiating and stating best practices in implementing the following as a way of implementing the requirements of the standard.