Fannie Mae Selling Guide Chapter C3-3: MBS Guaranty Fees and Guaranty Fee Buyups and Buydowns
Lenders must pay Fannie Mae a guaranty fee remittance each month as compensation for the lender’s right to participate in the MBS program.
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.

