Condition of Performance of an Act to Third Party

Generally, in Iranian law, the condition over third party act includes condition of act to third party in a strict meaning and commitment to third party act. In the case of the condition over third party act, the parties are binding on third party (the last Section of Art. 234 of the Civil Code); whereas in the commitment to third party act, someone undertaking in regard to third party will accept obligation against the other party. Specifically, the condition over third party act conflicts with the majority of contractual principles and legal provisions. What is legal justification for and basis of the above-mentioned condition? This article deals with the following issues: The nature, legal status and criterion of validity of the condition over third party act, its differences and its link with the commitment to third party act. It also examines how the legal relationship between the parties and with third party will be in the event of rejection and acceptance of the condition by third party.