Freddie Mac Seller/Servicer Guide 4101.6: Signatures required
The Security Instrument must be signed by all individuals with an ownership interest in the Mortgaged Premises.
Freddie Mac publishes the full text of this section: Freddie Mac Seller/Servicer Guide 4101.6 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.