Update the ID of a PO
- Last UpdatedMay 07, 2026
- 2 minute read
Update the ID of a Purchase Order (PO) after the PO is issued. Note that changing the value in the Pur No field can have severe consequences if the PO is already transferred to a third party system. Future changes to the PO are not merged to the original PO, unless the ID is manually changed in the other systems.
Prerequisites
Before you begin, complete the following:
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In the Purchase Order Header grid, in the General tab, perform the following:
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In the External status field, ensure the value is ISSUED.
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In the Internal status field, ensure the value is Create/Change.
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Ensure you have the Can Change Po Id On Issued Po or Full Access UI rights to the s50018 Purchase Order screen. For more information, see Assign UI rights to a user role.
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Ensure the PO is related to a project that allows user defined PO IDs. In the s50030 Project Purchasing Setup screen, for the project related to the PO, in the Projects grid, in the General tab, in the Project PO Number Setup Method field, ensure the value is User.
To update the ID of a PO
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Navigate to the s50018 Purchase Order screen.
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To refresh the screen, select the F5 key.
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In the Purchase Order Header grid, select a row.
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On the s50018 menu, in the Purchase Order Options group, select Change PO Id.
The d0251 Change PO Id dialog appears.
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In the New PO Id field, enter the new PO ID, and then select Ok.
A pop-up window appears.
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Read the message and then select Save the new PO Id.
In the Purchase Order Header grid, in the General tab, the Pur No field is updated.