Fannie Mae Selling Guide B3-3.8-06: Rental Income from Non-Subject Property: Investment Properties Purchased within 45 Days of the Subject Property
This topic contains requirements for documentation and qualifying rental income for investment properties purchased within 45 days of the subject property application date.
Fannie Mae publishes the full text of this section: Fannie Mae Single Family Selling Guide on the Fannie Mae 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.

