---
title: Can I add a reference for an order I already placed?
description: No, once an order has been placed in COSnet, the reference field can no longer be modified. To ensure your order includes the correct reference, please include it before finalising your order.
---
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# Can I add a reference for an order I already placed?
No, once an order has been placed in COSnet, the reference field can no longer be modified. To ensure your order includes the correct reference, please include it before finalising your order. If you still need to update a reference on an existing order, reach out to our customer service team for further assistance.
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