Is it possible to generate a charge base in a trade operation without assigning a supplier?

Summary:

When generating a trade operation and assigning a charge to it, a provider is always requested, our client needs to assign a charge without associating it with a specific supplier.

Content (required):

The charge line to be associated is not a "Service PO". Is there a way to not place a specific provider?

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

23B (11.13.23.04.0)

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