due to the british hegemony of iran in both pre- and post-constitutional revolutionary periods (1906-1911), the iranian legal system was expected to be influenced by british common law following the establishment of the modern government after the revolution. but it did not happen for various legal and non-legal reasons. a major legal reason could be iranians’ long history of acquaintance with ...

“pacta sunt servanda” is one of the most fundamental principles in the common law and iranian legal systems, which have been exposed to exceptions in the process of time. these exceptions are part of general doctrine of frustration. iranians exceptions to this rule are named as “ta`azzor” and “ta`assor” rules. doctrine of frustration in common law includes three subdivision theories: “impossibi...