What is the Foreign sovereign immunity's act?

The Foreign Sovereign Immunities Act (FSIA) is a United States law enacted in 1976 that establishes the legal framework for determining when a foreign sovereign nation can be sued in U.S. courts. Under the FSIA, foreign governments are generally immune from lawsuits, but there are specific exceptions, such as cases involving commercial activities, torts committed in the U.S., or violations of international law. The act aims to balance the respect for foreign sovereigns with the need for accountability in specific circumstances. It provides a comprehensive set of rules governing the jurisdiction and immunities of foreign states in the U.S. legal system.