The primary purpose of this guideline is to provide an easy reference for contractors in the rail industry on configuration management during execution of a contract. The guideline aims to assist the contractor in developing their configuration management plans and processes to satisfy the high-level configuration management requirements of the customer across the product lifecycle.

The guideline can also be used by a customer to assist them in determining the necessary level of configuration management required based on the complexity and environment of their system and how the guidance applies to their contractor through the generation and implementation of configuration management plans.

The guideline outlines the essential functions applied in configuration management and highlights how these relate to various contractors who are undertaking project work for a customer, including both new construction or the maintenance or upgrade of the existing rolling stock or part or all of a network.