20. Question: How should a business account be reported when a consumer is personally liable? Answer:
• Report the consumer’s information in the Base Segment with ECOA Code 2 (Joint/Contractual Liability) or 5 (Co-maker or Guarantor) in Field 37, as applicable.
• Report the business name in the J2 Segment starting in the Surname field (Field 3). The business name may continue into the First and Middle Name fields if needed.
• Report ECOA Code W (Business/Commercial) in Field 10 of the J2 Segment. Note: The business name will not be added to the consumer credit databases.
As far as the proper way to report SBA loans:https://www.sba.gov/sites/default/files/lender_notices/5000-1330.pdf