## Documentation Index

Access the complete documentation index at:
https://www.zoho.com/en-de/books/kb/llms.txt

Use this file to discover all available documentation pages before proceeding.

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# How do I associate / link bill with the existing purchase order?

**Prerequisite:**

*   The bill should have the purchase order number specified in its **Order Number** field.
*   The selected bill should have the same **Vendor Name** as the Purchase Order.
*   **Items** involved in the bill should be same as in the Purchase Order.

Once done, now you can:

*   Navigate to the **Bills** module under _Purchases_.
*   Select the bill which you wish to link with the existing Purchase Order.
*   Click the “**Link to existing Purchase Order**” and link the bill to the existing Purchase Order.

**Note:** The above steps are applicable to link/ associate bill (s) to a single purchase order.

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