Given the benefits and drawbacks of using external data standards and policies, how can you decide when and how to use them for information management? Here are some tips to help you make informed choices and use them effectively. First, assess your data needs and goals, and identify the external data standards and policies that are relevant and applicable to your data domain, scope, and purpose. You can consult existing sources of external data standards and policies, such as industry associations, government agencies, or international organizations. Second, evaluate the benefits and drawbacks of using the external data standards and policies, and weigh them against your data resources and capabilities. You can consider factors such as data quality, interoperability, compliance, trust, flexibility, usability, sovereignty, control, relevance, and value. Third, implement and monitor the external data standards and policies, and ensure that they are aligned with your internal data standards and policies. You can use tools and methods such as data mapping, data conversion, data validation, data auditing, and data feedback.