On 1970 F Series Broadcast Sheets I see the following:
Group G: Glass - Mirrors
Pre-Printed Slot: 3- "Mirror O/S Rt."
Inserted Value: 31 "Outside Right, Manual"
Pre-Printed Slot: 3- "Remote Mir. Or Del."
Inserted Value: 33 "Outside Left, Remote Control"
So yes, on a broadcast sheet it can be...