No matter what, it shouldn’t be on the OP to have to remedy someone else’s error - the whole situation just adds unnecessary burden into the OP’s life when they tried to do the right thing. Plus, it adds to the issue that the ticketing person & the arbitration staff are likely paid in some very small part paid out of the OP’s district tax dollars…

This is like when your medical insurance doesn’t cover something that you have proof they need to cover…and it’s on you to take the time out of your day to prove to them that they need to do their jobs correctly.