Prevention of assignment of Purchase Order to External activity from ME21N

Hi,
I would like to know if it is possible to prevent account-assigning a purchase order or requisition  to an external activity outside of PS, (CJ20N or CN22). The external activity will generate a purchase requisition when released from CJ20n or CN22.
If someone goes outside of PS in ME51N or ME21N, they can also create a purcahse requisition or P.O. and assign it to that same network activity.
Is there a way to prevent this from happening?

In MM Customizing go to Purchasing=> Account Assignment Categories
For Acc Assignment Assignment Category 'N' make the field 'Order' as display only.
with regards,
Ravi Shrivastav

Similar Messages

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    ---

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  • PO account assignment Q + Purchase order has no items + M7033

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  • Purchase order form: external send (mail)

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  • Can SAP get material number in Purchase order in external processing?

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  • Automatic buyer assignment on Purchase Orders

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  • Revision level of material automatically assign to purchase order

    Hello all,
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    It should pick latest revision level.Becuse PO get all data from material master.

  • Assigning customised purchase order driver program and form ?

    Hi ,
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    Hi
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    Regards,
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    Edited by: Vishwa Sri Hari on Oct 22, 2008 4:18 PM

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