[citation needed] From 1993 until its closing, the Landesamt für Verfassungsschutz der Freien und Hansestadt Hamburg [de] monitored the IZH due to its ideological, organisational, and personal ties to the Iranian government.

"[1] On 17 June 2022, IZH deputy director Seyed Soliman Mousavifar received an expulsion order from the Federal Ministry of the Interior after an investigation revealed that he maintained ties with Hezbollah representatives in Lebanon.

[5][6] During the Mahsa Amini protests, a motion was passed by the Bundestag, which among other things, called on the German government to "examine whether and how the [IZH] can be closed as a hub for the Iranian regime's operations in Germany.

[8] The centre was raided on 24 July 2024 and closed by order of Germany's interior minister Nancy Faeser, who claimed that it was being used by the Iranian government to "propagate an Islamist, totalitarian ideology".

[2][9] Documents provided to Der Spiegel stated that the mosque's director had reportedly received orders from Mehdi Mostafavi,[10][11] former advisor to Mahmoud Ahmadinejad.