# Generate Forecast, MPS or Independent Demand from Planning Bills (PB.P1)
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Form Details
Form Details
Purpose
The PB.P1 procedure generates sales forecast of master schedule items based on
the information defined in the planning bills.
Frequency of Use
This procedure is usually run at the beginning of a planning cycle.
Prerequisites
Setting of the planning bill low level codes if the multi-level option is used. ( PB.P3 )