For the purpose of forming branches in Iran, you should submit the followings to the Organization for Company Registration for Company Registration, located in Tehran. Copies of the originals should be duty legalized by the nearest Iranian consulate:

1-Filled out Application form.
2-"Justification Report" explaining envisaged activities, justification and purposes, type and scope of authority, estimation of Iranian and non Iranian employees, methods for company financing.
3-A certified copy of the "articles of association" of the mother company.
4-A certified copy of license of establishment with the latest alterations.
5-Certified latest financial report of the mother company.
6-A Letter of certification issued by the relevant ministry, department, or state run organization indicating that an agreement has been concluded with the foreign company and that they work together (If exist)

For the purpose of forming representative offices in Iran, the following Documents along with Persian translation are required, Copies of the Originals should be duty legalized by the nearest Iranian consulate:

1-Representation contract the mother company
2-In case of natural person, identification documents of the applicant, in case of legal entities, articles of association license of establishment and the latest alterations
3-Provision of supporting documents showing relative experience in the intended field of activity
4-Articles of association, license of establishment and latest alterations of the mother company
5-A Justification report
6-The latest financial report of the mother company
7-A letter of certification issued by the relevant ministry, department , or state-run organization indicating that an agreement has been concluded with the foreign company and that they work together (If exist)a