Public health emergencies, including infectious disease outbreaks and natural disasters, are issues faced by every community. To address these threats, it is critical for all jurisdictions to understand how law can be used to enhance public health preparedness, as well as improve coordination and collaboration across jurisdictions. As sovereign entities, Tribal governments have the authority to create their own laws and take the necessary steps to prepare for, respond to, and recover from disasters and emergencies. Legal preparedness is a key (...) component of public health preparedness. This article first explains legal preparedness and Tribal sovereignty and then describes the relationship between Tribal Nations, the US government, and states. Specific Tribal concerns with respect to emergency preparedness and the importance of coordination and collaboration across jurisdictions for emergency preparedness are discussed. Examples of collaborative efforts between Tribal and other governments to enhance legal preparedness are described. (shrink)