A purchase order number (also called PO number, IO number, CPE, or client code)is anidentifier that appears in the header of your invoices. This document describeshow to set or update the purchase order number associated with your monthlyinvoice account.

Permissions required to manage purchase order numbers

To set or update the purchase order number used for your monthly invoiceaccount, you need a role that includes the followingpermission on the Cloud Billing account:

• billing.accounts.update

To gain this permission, ask your administrator to grant you the role ofBilling Account Administrator on your Cloud Billing account.

For more information about billing permissions, see:

• Overview of access control
• Create custom roles for Cloud Billing
• Understanding predefined Identity and Access Management roles for Cloud Billing

View the purchase order associated with your invoice account

To view the purchase order that is on each invoice, do the following:

1. In the Google Cloud console, go to theInvoices page.

   Go to the Invoices page

2. At the prompt,choose the Cloud Billing accountyou want to view.

3. In theInvoices table, look for thePurchase order column. If thevalueis blank for any invoice, this indicates that no purchase order number wasset on the Cloud Billing account at the time that the invoice wasgenerated.

Set or update your purchase order number

To set or update the purchase order number that is associated with yourinvoiced Cloud Billing account, complete the following steps:

1. In the Google Cloud console, go to theInvoices page.

   Go to the Invoices page

2. At the prompt,choose the Cloud Billing accountyou want to view.

3. On theInvoices page, clickeditSet purchase order number.

4. Enter the new purchase order number.

5. ClickOK.

The new purchase order number is associated with subsequent invoices whenthose invoices are generated. To update the purchase order number on apreviously generated invoice,regenerate the invoice.

If you're on theInvoices page of your Cloud Billingaccount and you don't see or can't access theeditSet purchase order number button, the reasons could include thefollowing:

• The Cloud Billing account you are viewing isn't configured to bepaid by invoice, but rather is an automatically paid,self-serve/online account.Purchase order numbers can only be set on Cloud Billingaccounts that are configured as aninvoiced account.
• You don't have the Cloud Billing account permissions needed toset or update the purchase order number associated with your invoiced account.Contact your Cloud Billing account administrator.

Update the purchase order number on previously issued invoices

To change the purchase order number on invoices that have already been issued,after setting the new purchase order number,regenerate eachinvoice you want to update — one invoice at a time.

To regenerate an invoice, do the following:

1. From theInvoices table, click the row of the invoice to view itsdetails. A dialog opens, showing you document header details including theinvoice or memo number, amount, status, purchase order number, accountdetails, and more.
2. In the top right of the invoice dialog, selectActions.
3. To request a revision to your invoice, including updating the purchase ordernumber, selectRegenerate invoice with updated information.
4. Read theRequest status confirmation, and then clickGot it toreturn to theInvoices table. Note that for each invoice you choose toregenerate, you must wait 48 hours to make another revision request on thatsame invoice.

To update the purchase order number for another invoice, repeat the previous stepsafter the last invoice is successfully applied.

Note: Regenerating a past invoice might take some time. If after 48 hours youdon't see the updated purchase order on your regenerated invoice,contact Customer Support.

Related topics

• Get an invoice, statement, or receipt
• Understand your monthly invoice
• Export Cloud Billing data to BigQuery
• Split invoicing for agency model transactions