A document that clearly defines the required capabilities of an inline inspection (ILI)A method used to assess the the integrity and condition of pipelines. It involves the use of specialized tools that are inserted into the pipeline and propelled… system to detectTo sense or obtain a measurable indication from a feature. , classifyTo identify the cause of an inspection indication (e.g., anomaly, non-relevant indication, feature, or component)., and characterizeTo assign characteristics to a pipeline anomaly or feature based on its classification. features. It outlines the desired outcomes or performance levels that need to be achieved and provides a basis for evaluating and selecting suitable ILI systems.