Supply subinventories and locators can be defined at the item or bill of material component level. If they are not defined, the system uses the supply subinventory and locator specified by the WIP Backflush Supply Subinventory and Locator Parameters when components are backflushed. See: Material Parameters.
To ensure adequate supply for backflush transactions, you can replenish supply subinventories and locators as required. See: Supply Subinventory and Locator Replenishment Options.
You can use the following two Oracle Inventory settings to determine whether or not inventory balances can be negative:
Allow Negative Balances parameter: you use this parameter to specify whether or not negative inventory balances are allowed.
Override Negative for Backflush profile option: you use this profile option to override a No setting on the Allow Negative Balances parameter during backflush transactions. This allows backflush transactions to drive the inventory negative even though the organization does not allow negative balances on any other types of transactions.
The only exception is when the component that you are backflushing is under serial number control. In this case, you will not be able to complete the backflush transaction unless you select a subinventory and locator that contains a sufficient quantity of valid serial numbered items. See: Default Inventory Parameters.
Backflush component transactions are derived from bill of material required quantities. In addition to Push components, which can be issued in any quantity, Pull components requiring lot and serial number entry can be over or under issued to a job. You can change the component quantity when performing assembly moves, assembly completions, and work orderless completions performed though Oracle Mobile Applications. This functionality is enabled in the Work in Process Backflush parameter, Allow Quantity Changes during Backflush. See: Material Parameters If this parameter is enabled:
For desktop assembly move or completions - Pull components requiring additional information such as lot or serial number, can be over or under issued. The Backflush window displays for component information for supply type Push or Pull. You can change the quantity for Pull components.
Flow work order-less completions enable both Push and Pull quantity changes using desktop transactions. For Mobile Applications work orderless completions, Pull components requiring lot or serial number, can be over or under issued.
Note: In Work Order-less completion transactions using desktop windows, this functionality exists for any Push and Pull component completion.
If the parameter is not enabled, the Backflush window displays for lot and serial entry only.