FCL.905 FI applies as in (a)/(b)/(e)/(f)A(g)(IR(R)/FCL945
Those are the references in Part-FCL.
if you go to
https://www.easa.europa.eu/regulatio...ations-aircrew and look for the Easy Access Rules Part FCL pdf file. Then search for FCL.905.FI it will bring you to the Privileges and conditions for the basic FI. (it's page 900).
The brackets (a) show what you can teach...