The document discusses UK government open standards. It provides information on different types of standards including de facto standards based on common practice and de jure standards based on regulations. It notes that some standards are not openly licensed and can be costly. The document highlights the UK government's open standards principles of making government IT open and enabling a level playing field for open source and proprietary software. It describes the open standards board's role in considering recommendations for standards, assessing them based on several criteria, and deciding if they should be adopted or made compulsory across government. Examples of information challenges that standards could help with are also provided.