Ultimate Ironman Mode is a game mode where you cannot use the banks of RuneScape.
Confused/Interested about the game mode? Check these out.
FULL RESTRICTION LIST (scroll down to UIM):
Q: Where does your stuff go when you’re doing (x) activity
A: It’s stored at Zulrah, this kind of storage can only be used for safe
activities, check the video above for more information.
Q: How did you get (x) item noted?
A: Everything noted is either from a monster drop or is related to farming in some way (you can note these on a tool leprechaun) you are not allowed to note on RuneScape bankers, only unnote.
If you have any questions you can always reach out to me on twitter
or in the YouTube comments 🙂