Is this correct:

BA Concorde Dining (at BOS and IAD):

• Once access into the lounge has been granted by class of travel or status, Concorde Room cardholders have access to the inner Concorde Dining Room with a guest. The Concorde Room card in isolation does not grant lounge access.

When I was in the BOS lounge last month I was denied Concorde Dining as I was not in F (just Club with CCR card).