Update and synchronize the SOP and the matching procedure. The updates should include notifications that provide issuers with unmatched loans adequate time to take corrective action to comply with the requirements of the MBS Guide to put $903 million to better use by ensuring that the appropriate agency insurance or guarantee is in place.

Ensure that all necessary information regarding terminated VA loans is included in the matching process.

Update applicable requirements to require assisted property owners, including PHAs, to maintain adequate documentation to support their determinations that maintenance and hazard reduction activities that disturb surfaces with lead-based paint qualify for the de minimis exemption from the lead-safe work practices under the Lead Safe Housing Rule.

Provide the MOU with EPA designed to address radon contamination.

Create separate reporting lines between model development and model validation functions so that both critical model functions do not report to OER, are appropriately segregated in accordance with industry guidance, and follow the foundational component of internal control standards.

The OIG has determined that the contents of this recommendation would not be appropriate for public disclosure and has therefore limited its distribution to selected officials.

The OIG has determined that the contents of this recommendation would not be appropriate for public disclosure and has therefore limited its distribution to selected officials.

The OIG has determined that the contents of this recommendation would not be appropriate for public disclosure and has therefore limited its distribution to selected officials.

The OIG has determined that the contents of this recommendation would not be appropriate for public disclosure and has therefore limited its distribution to selected officials.

The OIG has determined that the contents of this recommendation would not be appropriate for public disclosure and has therefore limited its distribution to selected officials.

The OIG has determined that the contents of this recommendation would not be appropriate for public disclosure and has therefore limited its distribution to selected officials.

The OIG has determined that the contents of this recommendation would not be appropriate for public disclosure and has therefore limited its distribution to selected officials.

The OIG has determined that the contents of this recommendation would not be appropriate for public disclosure and has therefore limited its distribution to selected officials.

The OIG has determined that the contents of this recommendation would not be appropriate for public disclosure and has therefore limited its distribution to selected officials.

Test whether a cumulative housing price appreciation (HPA) variable should be added to the probability of prepayment, probability of default, foreclosure timeline, buyout time models, and cure rate assumptions. Ginnie Mae should provide an analysis if it believes that adding an HPA variable would not be appropriate to support its position.

Develop and implement policies and procedures to require a sufficiently granular decomposition analysis that can adequately explain the impact of all the model changes made.

Develop and implement policies and procedures or enhance or clarify, as appropriate, existing policies and procedures that will require additional analyses whenever thresholds are breached or other analyses indicate potential modeling issues.

Document the economic rationale behind unintuitive model coefficients to support that the unintuitive relationships are appropriate.

Document all model assumptions that are undocumented, providing the basis for any assumptions or decisions made when developing each model assumption.

Develop and implement policies and procedures to ensure compliance with model risk management guidance regarding adequate and well-documented model assumptions.