How can ensure the reference provided for Landed Cost in Invoice is Appropriate

Summary:

User is creating invoices and providing landed cost references that is exactly not same as provided in Landed Cost Management Module. How can we ensure the reference number provided by user does exists in Landed cost management module.

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):