A statement, or process, intended to provide confidence on the condition or status of a system, process, activity, or materiel. Types of assurance include:

• Regulatory Assurance - A statement, or process, intended to provide confidence to a regulatory body on the condition or status of a system, process, activity, or materiel through a regulation or approval regime.
• Safety Assurance - Part of Safety Management focused on providing confidence that adequate safety will be achieved and sustained.