1. in the Allocation tab, the PO and SO contracts will load in the Purchases and Sales section according to the location and commodity selected in the header portion.
2. Also, INCO Terms should be entered in Contract for PO and SO as a prerequisite to populate PO and SO in Allocation screen.
3. User can select single PO to multiple SO contracts to allocate. 
4. Select the PO and SO and edit the quantity to allocate in 'quantity selected' column. (The quantity to allocate in PO side should match with SO side.)
   
   
   
5. User can allocate packing UOM in bags with weights (eg: PO in 100* bags of 60 KG to allocate with SO in 6000 KG).
6. Click on allocation button after selecting the PO and SO quantity to allocate.
7. User can reserve the PO/ SO quantity by selecting the PO and edit the quantity to reserve in 'quantity selected' column.
8. Click on reserve button to reserve the selected PO/ SO quantity.