It's the first summons of its kind for an Iranian president since 1979. It follows a petition by a parliamentary committee and is part of a power struggle ahead of March parliamentary elections.
Mohammad Reza Bahnoar, the parliament deputy speaker, said Tuesday that lawmakers are demanding Ahmadinejad answer questions on the economy, including purportedly bypassing a special budget for the Tehran subway and public transportation. He is also to be queried about foreign and domestic policy decisions.