how do I make the BUDGET_REF field accessible on the Journal Line page in a journal entry

We would like to use the BUDGET_REF field in journal lines.  I can see the field in the Journal Entry Template and I can put a checkmark in the field, but once I save it and then reopen the template, the field is unchecked again.  I verified the information in the PS_GL_JRNL_TMPLT record, and it shows the BUDGET_REF field with a value of "Y" consistent with the other journal line fields that I can use.  However, it is not visible on the journal line page when I try to update the customization.  Is there some other setting that works in