Freddie Mac Seller/Servicer Guide 4301.2: Borrower requirements for refinance Mortgages
When an existing Mortgage will be satisfied through a refinance transaction, at least one Borrower on the refinance Mortgage must be a Borrower on the Mortgage being refinanced as documented in the Mortgage file.
Freddie Mac publishes the full text of this section: Freddie Mac Seller/Servicer Guide 4301.2 on the Freddie Mac website. Zeitro Strata answers questions about it with the passage and page cited.
Guideline text quoted as published by the agency. The latest published version governs. This is not an underwriting decision.