Article 141
The President, the deputies to the President, ministers, and
government employees cannot hold more than one government position,
and it is forbidden for them to hold any kind of additional post in
institutions of which all or a part of the capital belongs to the
government or public institutions, to be a member of the Islamic
Consultative Assembly, to practice the profession of attorney or
legal adviser, or to hold the post of president, managing director,
or membership of the board of directors of any kind of private
company, with the exception of cooperative companies affiliated to
the government departments and institutions.
Teaching positions in universities and research institutions
are exempted from this rule.