Top plates are continuous along every wall, openings included; bottom plates run full length except at doors, butt-jointed only with both ends supported; bottom plates under jamb studs of wide openings or under concentrated loads are stiffened; top plates under concentrations of load between studs are stiffened or blocked as the figure shows (metal connectors or double blocking for larger roof areas); top plates and ring beams are joined as Section 9 specifies.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.