If Division 12 requires an entity to withhold an amount from a payment, the entity must withhold it at the time of making the payment (s 16-5). Specific provisions fix the time of withholding for presently entitled unit trust income (s 12-145) and closely held trust distributions (s 12-180).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.