The owner or manager of the asset puts first those targets and reduction measures that back the move to net zero as framed at system, network or national scale. If there is no national or sector carbon budget, or none has been broken down to scheme level because policy or regulation is silent, the owner or manager talks with its peers and with regulators or government in its network or system to judge how the scheme sits against the wider goals for decarbonisation.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.