MCD
MISMO, in partnership with the Conference of State Bank Supervisors (CSBS), and through MISMO's MCD workgroup, has created the Mortgage Compliance Dataset (MCD) — a new data standard designed to make state supervisory compliance examinations for residential mortgage loans more efficient, consistent, and transparent.
If you want to learn more about the benefits of the Mortgage Compliance Dataset:
- Watch the sessions from the MCD Tech Sprint including a regulator panel: MCD Tech Sprint Kickoff 2025 - YouTube
- Review the recap of the MCD Workshop held at the MISMO Winter Summit
- Access the Mortgage Compliance Dataset Version 2.0 here.
Refer to our Mortgage Compliance Dataset one-pager for more information.
NEW! Review the MISMO Mortgage Compliance Dataset FAQ.
Read the Mortgage Compliance Dataset: An Industry Brief and learn more from the following sections:
- The Compliance Problem: Scaling in a State-Based System
- Why MISMO Was the Right Place to Solve the Problem
- What the Mortgage Compliance Dataset Is
- What the Mortgage Compliance Dataset Is Not
- Why This Matters to Executive Leaders Right Now
Watch these videos for a clear, approachable walkthrough designed for teams who will be implementing or working with the Mortgage Compliance Dataset (MCD).
Segment #1: The Mortgage Compliance Dataset Specification Walkthrough
Lynn Calahan, Chief Data Officer at Alpha7X, walks through the structure and purpose of the MCD specification, explains how the tabs, data points, and metadata work together, reviews transitioning from the legacy Loan Examination File (LEF), and reviews key concepts such as XML order, loan state, loan rule types, and container groups and more.
Segment #2: Mortgage Compliance Dataset - Use Case Templates
This resource helps teams understand how real‑world business scenarios translate into a fully structured MISMO‑compliant XML message.
Segment #3: The MCD Sample XML Files & Wrapper
This video helps you understand the toolkit so you can create, review, and validate your own MCD XML messages with confidence.

