Thanks for all the advice. I have returned my staff travelcard and asked for one to be issued without the endorsement to allow me to use it when travelling alone without an attendant which I am able to do sometimes.
I am safeguarded staff and have a staff travelcard with boxes. As I am disabled for the last few years I have had my travelcard endorsed to allow an attendant to travel with me when using a free box.
I have just received my new staff card and the accompanying letter says I must have...