How do we delete the existing contact information from the customer using FBDI

Summary:

We have loaded the customers in our test instance with original contact details and now we do not want customers to receive the invoices of our testing. What is the solution around it?

Can we delete/override the existing customers contact info?

Content (please ensure you mask any confidential information):

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

24A

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