About UADshift
UADshift is a free reference tool for the appraisal industry, mapping fields between UAD 2.6 and UAD 3.6.
The data here is sourced from the UAD Redesign Appendix G-1 — Cross Reference Guide v1.4, the official spec published by the GSEs.
What you can do
- Search by 3.6 MISMO data point, attribute, or xPath.
- Search by 2.6 field identifier (e.g. a Form 1004 field ID).
- See a side-by-side comparison of the legacy and redesigned definition for each field.
- Browse the full list of fields that are new in 3.6 with no 2.6 equivalent.
Coverage
- 1625 total fields in the UAD 3.6 spec.
- 492 have a documented 2.6 cross-reference.
- 1133 are new in 3.6.
UADshift is built and maintained by CodeDeck. The tool is for reference only — always check the official UAD specification for normative guidance.