Among the material facts about the relationship, the firm must tell the retail customer that it is dealing with them in a brokerage capacity, or that the individual is an associated person of a brokerage firm, for that recommendation. Dually registered firms and individuals must make clear which hat they wear for that recommendation, since the duties differ between brokerage and advisory capacities.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.