Fannie Mae Selling Guide C3-5-05 — Commingling ARMs in MBS
Fannie Mae Selling Guide C3-5-05 — Commingling ARMs in MBS.
Verbatim regulatory text
Verbatim provisions from Fannie Mae Selling Guide C3-5-05 — Commingling ARMs in MBS — each quote is a verified substring of the regulator-published source snapshot, not retyped. Quoted for reference; this is not legal advice. The operational layer (P&P updates, prompts) lives in the regulation update kits.
Fannie Mae Selling Guide C3-5-05 — Commingling ARMs in MBS
C3-5-05, Commingling ARMs in MBS (02/23/2016) Introduction This topic provides information on commingling ARMs, including: ARM Loan Types Lenders May Commingle in the Same Pool ARM Loan Types Lenders May Not Commingle in the Same Pool ARM Loan Types Lenders May Commingle in the Same Pool Published May 6, 2026 1007 ARMs originated under the same ARM plan may have original terms up to 30 years and may be commingled in the same ARM pool. ARM Loan Types Lenders May Not Commingle in the Same Pool ARMs originated under different ARM plans cannot be commingled in the same pool. In certain cases, however, lenders may be permitted to pool seasoned ARMs in ARM plans with shorter initial fixed-rate periods. Interested lenders should contact their Fannie Mae customer account team to determine what flexibility may be available for a specific situation. ARMs originated under a single ARM plan, but with different post-conversion disposition options (market rate option or take-out option) cannot be included in the same pool. Recent Related Announcements There are no recently issued Announcements related to this topic. Chapter C3-6, Pooling Loans into Fannie Majors Introduction Lenders can pool mortgages into two types of MBS, which includes UMBS: Single-Issuer and Fannie Majors. This chapter provides information on pooling loans into Fannie Majors.