Cost centers and distribution rules - SAP Business One

Hi, wrong financials, I person acceptable up outgo centers and besides a organisation rule  to allocate costs (based connected headcount) to a radical of outgo centers.  When I usage this organisation regularisation connected an AP invoice, the related diary lone has the organisation regularisation had against it and does not divided the worth of the AP Invoice enactment crossed the associated outgo centers.  

When I effort moving a P&L study for 1 of these costs centers, the strategy does not see the worth of the AP invoice apportionment.

How bash I get the strategy to divided the outgo per outgo center?