A Practice Note discussing legal and business issues to consider when dealing with a crisis, such as an earthquake, flood, wildfire, pandemic (such as COVID-19), war, terrorism, civil unrest, or other public emergency or disaster that results in a disruption of the supply chain. This Note addresses the potential impact of a crisis on upstream and downstream contracts, force majeure clauses and other possible defenses for non-performance, insurance coverage, maintaining supplier and customer relationships, and additional steps to protect the company.