Thanks for everyone's input. Yes, I am in the UK and working to BS ISO standard although my reference is a little out of date.
Thinking about it, a connecting line will imply that they are co-planer and with a parallel tolerance from one to the other this is probably all that is required.
I...
I am trying to define a geometrical tolerance scheme to control two separate faces to be in the same plane.
I can define one face as a datum and control the other parallel to within a tolerance band. And if the faces were offset from one another, I could place a basic dimension which would...