Email to arrange to complete a form in person at the students' union office, this will then need to be taken to the ISS Service Desk (LZ) in person as well.

If your group has one/might have one, but no one on the current Exec knows the details, you can contact ISS to retrieve them. 

You must be a registered exec/committee member on before ISS can grant you access or setup your account. Find out how to do this here.