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Changing Scheduling Agreements 
To change a scheduling agreement with delivery schedules:
Besides the standard matchcode, you can use the fields in the Further search criteria section to find a scheduling agreement.
The system may issue a message reminding you that there are subsequent documents to be considered. To display these, choose Environment
® Display document flow.You can change the delivery schedule or create a new one by choosing New dlv sched with or without proposal.
When you create a delivery schedule with proposal, the system copies schedule lines from the previous delivery schedule into the new delivery schedule. You can then modify schedule lines that have changed or add new ones.
When you create a delivery schedule without proposal, the system generates a delivery schedule with empty schedule lines which you then maintain manually.
