In other words, the majority of Policy Board members need to make the forecast that the core CPI will register a year-on-year rate of increase greater than zero percent during the forecasting period.
The effect of any change in the policy mix will also be affected by supply-side incentives incorporated in the fiscal part of the mix. The politics of the policy mix: does monetary policy respond to fiscal policy? How does the choice about the policy mix get made? An interesting question!