© 2018 RHS HB-1-3555 SFH Guaranteed Loan Program Technical Handbook
The lender must document the following relative to an existing manufactured unit:
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The unit must be installed on its initial installation site on a permanent foundation complying with the manufacturer’s guidelines and the guidelines published in the PFGMH. The PFGMH guide can be ordered by calling (800) 245-2691 or from the web at http://www.huduser.org/portal/publications/destech/permfound.html.
The Agency will not guarantee an existing manufactured home, which has had additions or structural modifications made to the original home.Additional Resource: https://www.rd.usda.gov/files/3555-1chapter13.pdf#page=9