COVID-19 and the resulting lockdown measures to limit outbreaks in Thailand have caused significant financial difficulties for many business operators, large and small. Whether a business is a creditor or debtor, there is a high likelihood they have faced or will face a default caused by the pandemic. This article identifies three legal options available when a party defaults—civil cases, bankruptcy actions, and business rehabilitation actions—and compares key elements associated with each option. For context, those three options are defined as follows: Civil case. A legal proceeding in which a creditor files a civil lawsuit (or arbitration claim) against a debtor for debt collection. If a debtor fails to settle a debt in accordance with a judgment, the creditor can ask the court to enforce the judgment by seizure and sale of the debtor’s assets through public auction. Bankruptcy action. A legal proceeding under the Bankruptcy Act in which a government authority can collect a debtor’s assets, sell the assets by public auction, and distribute the net proceeds among creditors. In bankruptcy proceedings, the creditors will receive repayment in proportion to the size of the outstanding debts. Business rehabilitation action. A legal proceeding under the Bankruptcy Act aimed at helping a debtor recover from insolvency and continue its business. Debtors are given debt relief and a “new start” through business rehabilitation, while creditors are able to collect a higher percentage of outstanding debt under rehabilitation than they would under a bankruptcy action. In short, a civil case is a claim in court for repayment of a specific debt, a bankruptcy action results in distribution of the debtor’s assets among the creditors, and a business rehabilitation action aims to enable the debtor to stay in business while repaying their debts to some degree. A civil case may be appropriate when