We need the file of your passport, and also if you have traveled to Iran before the scan of your visa is needed too.
The size of your passport should be as below:
Format should be JPEG or GIF
Size should be 5.5cm *4.3cm
It should be digital
I have to inform you that we need 7 working days to get the invitation for visa. So please send us the documents by today and we will do our best to get your invitation on time