Order Confirmation Monitoring
	When working with confirmations, the following options are available:
- You work only with order confirmations.
In this case, the confirmation has only general character. You cannot separately record the confirmed dates and quantities. In MRP, it is not obvious in the Stock/Requirements List, whether or not the vendor has confirmed the purchase order. - You work with several confirmation types, such as order confirmation, loading confirmation, or shipping notification.
In this case, you can record the confirmed dates and quantities in the system. In MRP, you can see in the Stock/Requirements List which quantities were confirmed for which dates. 
Working Only with Order Confirmation
When you are creating the purchasing document, select the Acknowl.Reqd (Order Acknowledgment Required) checkbox if you are working only with an order confirmation. This enables order confirmation monitoring and allows reminders to be sent.You can preset the order acknowledgment indicator as follows, if you want it to be generally proposed as a default:
- In the purchasing data of the business partner
 - In the purchasing info record
 - In the material master as part of the purchasing value key
 - Using the EVO user parameter
 - In the personal settings for the transaction ME21N
 
Using the fast change, you can enter the same confirmation number for all items of a purchase order. The Fast Change icon is located in the purchase order below the item overview.
Working with Different Confirmation Types
When creating the purchasing document, you have to enter a confirmation control key in the item detail. The key determines the confirmations that you expect from suppliers and the sequence. The key also controls, which confirmation types are relevant for MRP and goods receipt. If a confirmation control key is maintained in a purchasing info record, this is defaulted in the purchasing document. You can also define the default value for the confirmation control key in the purchasing data of the business partner.Options for Entering the Confirmation
- You enter the confirmation in the purchasing document.
 - You generate an independent document – an inbound delivery.
 - You have the confirmation transmitted electronically by the supplier. If the supplier rejects the purchase order, the rejection indicator and the deletion indicator are set in the purchase order item.
 
For scheduling agreement schedule lines, you can only work with confirmation control keys. The key must be contained in the scheduling agreement. You enter the confirmations when maintaining the scheduling agreement schedule lines (ME38 transaction) using the menu path Item → Confirmations → Overview.
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