For several years, the mortgage industry has talked about the Mortgage Compliance Dataset as an opportunity to modernize state examinations. That conversation is now changing.
California and Iowa have publicly outlined plans to begin using MCD in their mortgage examination processes. That is more than incremental progress. It marks the moment when MCD begins moving from development and industry collaboration into implementation.
For lenders & their Loan Origination Systems, this is a clear signal to get BE ready.
What exactly is MCD?
The Mortgage Compliance Dataset is a standardized electronic loan data file designed to support mortgage origination compliance examinations. It gives lenders, regulators and compliance technology providers a consistent structure for exchanging and testing loan-level information.
Today, state examination requests can vary in format, terminology and data requirements. Even when two regulators are asking substantially similar questions, lenders may need to interpret each request separately, create a new data extract, map fields, validate the information and work through exceptions.
The process is often manual, repetitive and expensive.
MCD replaces much of that custom work with a uniform data standard. The current dataset covers first- and second-lien closed-end mortgage originations and includes the information needed to support testing against federal lending requirements. It was developed through MISMO over three years with participation from lenders, state regulators, technology providers, compliance professionals and the Conference of State Bank Supervisors.
The objective is straightforward: lenders should not have to reinvent the data-submission process every time a state examination begins.
California and Iowa are putting MCD into motion
On October 29, the California Department of Financial Protection and Innovation announced its plans to implement MCD for residential mortgage origination compliance examinations.
California plans to begin using the new MCD Information Request to assess lender and loan origination system readiness for full implementation in 2027. By the end of the first quarter of 2027, DFPI expects to schedule a pilot examination through the State Examination System using MCD data, the standardized Information Request and compliance technology. California also plans to participate in a multistate effort to evaluate industry readiness. CSBS
California’s announcement also explains why this matters to regulators. Standardized data can support risk-based loan selection, allowing examiners to focus on areas with potential compliance concerns instead of relying primarily on random samples and manual “stare-and-compare” reviews. CSBS
Iowa is moving NOW!
The Iowa Division of Banking added Information Request 5002 to Iowa Mortgage Banker examinations initiated after November 1, 2026. The request directs lenders to provide electronic transaction data in the MISMO MCD format for all loans originated during the review period.
It also tells lenders to involve their LOS or compliance vendor if they need support. If a lender cannot comply, it must explain why. It’s expected that most lenders will cite their LOS provider not being able to produce MCD as their reason for not being able to comply.
Read that again. This is no longer a theoretical future use case. A state regulator is asking for examination data in MCD format now.
MCD can permanently change the cost structure of compliance
The most important MCD story is not the file itself. It is what happens when standardized examination data is adopted at scale.
Mortgage companies will always have compliance responsibilities. MCD does not reduce those responsibilities, eliminate examinations or remove the lender’s obligation to maintain accurate data.
What it can eliminate is a substantial amount of avoidable work surrounding those responsibilities.
Compliance teams spend time interpreting unique requests. Data teams build and modify extracts. Technology teams map fields. Employees reconcile inconsistencies and correct formatting problems. Vendors configure reports. Then the process begins again when the next examination arrives.
Once MCD is broadly implemented, much of that activity becomes repeatable.
A lender can create and maintain a standardized data process instead of launching a new project for every examination. LOS providers can produce a consistent file. Compliance technology platforms can ingest and test that file. Regulators can receive more reliable information and use technology to focus their examination resources more effectively.
That is how standards change cost structures. They remove the expense of solving the same problem repeatedly.
Our illustrative MCD value analysis modeled the current cost of preparing and supporting examination data at approximately $15,500 per examination for a representative multistate lender. The model estimated potential gross savings of approximately $6,550 for each examination conducted using MCD.
Those are modeled benefits, not observed results or guaranteed savings. Every lender’s economics will differ based on its state footprint, examination frequency, technology environment and current processes. But the direction is clear: repeatable data exchange should cost less than recurring customization.
As adoption grows, that efficiency becomes an evergreen benefit.
Lenders need to ask their technology partners for dates
Risk and Compliance leaders should be talking about MCD now. Waiting until an examination request arrives is not a readiness strategy. It is an invitation to a fire drill.
Lenders should ask their LOS providers a direct question:
When will you be able to produce a complete, validated MCD file?
They should ask their compliance technology providers a corresponding question:
When will you be able to ingest, validate and test an MCD file?
The answer should include a readiness plan and a date. “It is on the roadmap” is not a date.
Platforms without credible MCD plans will create problems for their clients as more states begin requesting data in this format. Lenders should understand those dependencies now, including whether implementation will require system updates, configuration, testing, data remediation or changes to internal procedures.
Lenders should also be discussing MCD directly with their state regulators. Ask whether the state plans to use Information Request 5002. Ask about pilot opportunities. Ask what readiness will look like and how the regulator intends to manage early implementation.
Those conversations will help both sides identify issues before they surface during an examination.
This is only the beginning
MCD was designed to evolve. The MISMO MCD Development Workgroup is preparing to expand the dataset to include HELOC originations and, ultimately, to accommodate state-specific audit and testing requirements.
That work matters. The long-term opportunity is larger than producing one standardized file for closed-end mortgage examinations. MCD can become the data infrastructure for a more efficient, technology-enabled model of state mortgage supervision.
California and Iowa are important because someone had to move first. Others will follow.
The industry has spent years building the standard. Regulators are beginning to implement it. The next move belongs to lenders and their technology partners.
MISMO provides industry with several MCD Resources, including access to the dataset itself. Now is the time to get ready.
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