By ChristineS-Oracle on Feb 20, 2015
Changes to quantity and dates on an Internal Sales Order are allowed in 12.1.1+. These changes are automatically propagated to the corresponding Internal Requisition.
Similarly, cancellations on Internal Sales Orders are propagated to the corresponding Internal Requisition and priorities are propagated from Internal Requisition to Internal Sales Orders.
You can also assign different order types to an Internal Sales Order, while creating it from an Internal Requisition. You can also leverage the Defaulting Rules of Order management to default a suitable Order Type, according to your business process.
For a complete detailed flow from setup to process, review New Features 12.1.1 Internal Requisition Internal Sales Order Change Management, Doc ID 854051.1.