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How Changes Affect Assembly
Processing 
Any changes in customer requirements that are made in the sales order take effect in dependent assembly orders until the following is the case:
· The order header has the status DLT (deleted), LKD (locked), or TECO (technically completed)
Any changes made to dates and quantities in the dependent assembly order are updated in the sales order automatically unless the fixed quantity and date indicator has been set for the item.
Any changes to costs in the dependent assembly order are updated in the sales order. However, if required, you can also switch off this link between the assembly order and the sales order. To do this, select the No Update indicator in the appropriate requirements class. If you have selected the indicator, any changes to the assembly order are not passed on to the sales order. For more information about this topic, see Settings for Assembly Processing.
Any changes that are made to the master data after you have created the assembly order are not updated automatically in the sales order or the assembly order. If the changes are relevant to the sales order and assembly order, you must update these documents manually.
