Manager Self Service - Adding job code field on transaction

We are testing Manager Self Service transaction and on the Salary change transaction it shows Annual Rate and Previous Salary. However when you look at the field on the page HR_MSS_CT_COMP_SBF it also shows Job Code and Standard Hours. You can only see those when you are not in Correct History. Even if I add a row, I still cant see those two fields. Does anyone know a way to include Job Code on the transaction?