The Model Humanitarian Checklist for Sanctions Units was created for governments and intergovernmental bodies to use as guidance prior to imposing sanctions and during periodic reviews after their imposition. Funded by the Government of Canada, it is designed to assist sanctions’ imposers to identify and, in turn, mitigate unintended humanitarian consequences. It aims to be useable and practical, considering time and resource limitations of those designing sanctions and it provides a range of humanitarian considerations to busy policymakers working on sanctions’ design and implementation, while maintaining and improving sanctions’ effectiveness and legitimacy.