interproject billing-receiver project finish date earlier than event completion date

Summary:

We have interproject billing between projects in two different business units. The invoicing from the provider project and interproject contract is event based. We noticed that if the event completion date on the event from the interproject contract and provider project is later receiver project finish date. The AP Invoice when created in receiver BU has the expenditure item date automatically backdated to the finish date of task/project. Is this intended functionality?

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