MISMO Version 3.6.2 Reference Model
Version 3.6.2 of the Reference Model was published for comment on August 28th 2025.
The version of the MISMO Reference Model includes an XML schema representation of the data and relationships that support industry business processes; a corresponding YAML file set that conforms to the OpenAPI specification; the logical data dictionary (LDD) which provides a business centric view of the model; and the MISMO SMART Doc® standards which provide formats for electronic formatting of documents; and more.
What It Includes
Key updates include:
- Support the MISMO Loan Boarding Data Segment
- Expanded enumerations for Credit Score Model Names & Credit Report Types
- Introduction of the Automated Valuation Model (AVM) Common Confidence Score Rate
- Additional support for the MISMO Housing Counseling Dataset
- Support for the VA Report and Certification of Loan Disbursement (VA Form 26-1820) Dataset
- General maintenance updates, including new data points, enumerated values, and containers
Access Information for Members
MISMO Members can access the Member Only version of the reference model & supporting components in the Resource Library housed here on MISMO's Collaboration Site, "MISMO Connect".
The member version of the resource includes:
- XML Schema
- Enhanced Logical Data Dictionary (ELDD) with Unique IDs
- Logical Data Dictionary (LDD)
- YAML Files
- JSON Schema files
- Unique ID Matrix
- Version Comparison Report
- Release Notes
Access Information for Non-Members
Non-Members can access the reference model & supporting components listed below here:
- XML Schema
- Logical Data Dictionary (LDD)
- Release Notes