This document enables the specific needs of the aeronautical, space and defence fields to be met. It can also apply to other fields. However, the specificity of some fields can lead to the use of existing sectorial standards such as EN 16601-80, Space project management Risk management (derived from ECSS-M-80). This document: proposes a framework for implementing organization of risk management and opportunity management within programme management; this framework may serve as a basis for writing risk management specifications and opportunity management specifications; describes a process for keeping programme risks within the defined limitations that are considered tolerable; this standard process can be used as a methodological guide for writing the programme risk control plan; describes a process for addressing and developing opportunities that have positive consequences on the execution of a programme; this standard process can be used as a methodological guide for writing the strategic programme opportunity control plan; recognizes the need for knowledge management in order to capitalize and to share lessons learned with other programmes, as well as the maturity assessment of the risk management and opportunity management processes; identifies useful documents for risk management and opportunity management; proposes an example of a typical list of risks and opportunities.