Adjusted MTMLTV means, with respect to a single-family mortgage exposure and as of a particular time, the amount equal to:

Approved insurer means an insurance company that is currently approved by an Enterprise to guarantee or insure single-family mortgage exposures acquired by the Enterprise.

Cancelable mortgage insurance means a mortgage insurance policy that, pursuant to its terms, may or will be terminated before the maturity date of the insured single-family mortgage exposure, including as required or permitted by the Homeowners Protection Act of 1998 (12 U.S.C. 4901).

Charter-level coverage means mortgage insurance that satisfies the minimum requirements of the authorizing statute of an Enterprise.

Cohort burnout means the number of refinance opportunities since the loan age of the single-family mortgage exposure was 6, categorized into ranges pursuant to the instructions set forth on Table 1 to this paragraph (a).

Coverage percent means the percent of the sum of the unpaid principal balance, any lost interest, and any foreclosure costs that is used to determine the benefit or other coverage under a mortgage insurance policy.

COVID-19-related forbearance means a forbearance granted pursuant to section 4022 of the Coronavirus Aid, Relief, and Economic Security Act or under a program established by FHFA to provide forbearance to borrowers adversely impacted by COVID-19.

Days past due means the number of days a single-family mortgage exposure is past due.

Debt-to-income ratio (DTI) means the ratio of a borrower's total monthly obligations (including housing expense) divided by the borrower's monthly income, as calculated under the Guide of the Enterprise.

Deflated HPI means, as of a particular time, the amount equal to:

Guide means, as applicable, the Fannie Mae Single Family Selling Guide, the Fannie Mae Single Family Servicing Guide and the Freddie Mac Single-family Seller/Servicers Guide.

Guide-level coverage means mortgage insurance that satisfies the requirements of the Guide of the Enterprise with respect to mortgage insurance that has a coverage percent that exceeds charter-level coverage.

Interest-only (IO) means a single-family mortgage exposure that requires only payment of interest without any principal amortization during all or part of the loan term.

Loan age means the number of scheduled payment dates since the origination of a single-family mortgage exposure.

Loan-level credit enhancement means:

Loan documentation means the completeness of the documentation used to underwrite a single-family mortgage exposure, as determined under the Guide of the Enterprise.

Loan purpose means the purpose of a single-family mortgage exposure at origination.

Long-term HPI trend means, as of a particular time, the amount equal to: 0.66112295.

Where t = the number of quarters from the first quarter of 1975 to and including the end of the preceding calendar quarter and where the first quarter of 1975 is counted as one.^[1]

Long-term trend departure means, as of a particular time, the percent amount equal to -

MI cancelation feature means an indicator for whether mortgage insurance is cancelable mortgage insurance or non-cancelable mortgage insurance, assigned pursuant to the instructions set forth on Table 1 to this paragraph (a).

Modification means a permanent amendment or other change to the interest rate, maturity date, unpaid principal balance, or other contractual term of a single-family mortgage exposure or a deferral of a required payment until the maturity or earlier payoff of the single-family mortgage exposure. A modification does not include a repayment plan with respect to any amounts that are past due or a COVID-19-related forbearance.

Modified re-performing loan (modified RPL) means a single-family mortgage exposure (other than an NPL) that is or has been subject to a modification, excluding any single-family mortgage exposure that was not 60 or more days past due at any time in a continuous 60-calendar month period that begins at any time after the effective date of the last modification.

Months since last modification means the number of scheduled payment dates since the effective date of the last modification of a single-family mortgage exposure.

Mortgage concentration risk means the extent to which a mortgage insurer or other counterparty is exposed to mortgage credit risk relative to other risks.

MTMLTV means, with respect to a single-family mortgage exposure, the amount equal to:

Non-cancelable mortgage insurance means a mortgage insurance policy that, pursuant to its terms, may not be terminated before the maturity date of the insured single-family mortgage exposure.

Non-modified re-performing loan (non-modified RPL) means a single-family mortgage exposure (other than a modified RPL or an NPL) that was previously an NPL at any time in the prior 48 calendar months.

Non-performing loan (NPL) means a single-family mortgage exposure that is 60 days or more past due.

Occupancy type means the borrowers' intended use of the property securing a single-family mortgage exposure.

Original credit score means the borrower's credit score as of the origination date of a single-family mortgage exposure.

OLTV means, with respect to a single-family mortgage exposure, the amount equal to:

Origination channel means the type of institution that originated a single-family mortgage exposure, assigned pursuant to the instructions set forth on table 1 to this paragraph (a).

Participation agreement means, with respect to a single-family mortgage exposure, any agreement between an Enterprise and the seller of the single-family mortgage exposure pursuant to which the seller retains a participation of not less than 10 percent in the single-family mortgage exposure.

Past due means, with respect to a single-family mortgage exposure, that any amount required to be paid by the borrower under the terms of the single-family mortgage exposure has not been paid.

Payment change from modification means the amount, expressed as a percent, equal to:

Performing loan means any single-family mortgage exposure that is not an NPL, a modified RPL, or a non-modified RPL.

Previous maximum days past due means the maximum number of days a modified RPL or non-modified RPL was past due in the prior 36 calendar months.

Product type means an indicator reflecting the contractual terms of a single-family mortgage exposure as of the origination date, assigned pursuant to the instructions set forth on Table 1 to this paragraph (a).

Property type means the physical structure of the property securing a single-family mortgage exposure.

Refinance opportunity means, with respect to a single-family mortgage exposure, any calendar month in which the Primary Mortgage Market Survey (PMMS) rate for the month and year of the origination of the single-family mortgage exposure exceeds the PMMS rate for that calendar month by more than 50 basis points.

Refreshed credit score means the borrower's most recently available credit score.

Single-family countercyclical adjustment means, as of a particular time, zero percent except:

Streamlined refi means a single-family mortgage exposure that was refinanced through a streamlined refinance program of an Enterprise, including the Home Affordable Refinance Program, Relief Refi, and Refi-Plus.

Subordination means, with respect to a single-family mortgage exposure, the amount equal to the original unpaid principal balance of any second lien single-family mortgage exposure divided by the lesser of the appraised value or sale price of the property that secures the single-family mortgage exposure.

(1) In general. Subject to paragraph (b)(2) of this section, an Enterprise must assign a risk weight to a single-family mortgage exposure equal to:

(2) Minimum risk weight. Notwithstanding the risk weight determined under paragraph (b)(1) of this section, the risk weight assigned to a single-family mortgage exposure may not be less than 20 percent.

(1) Performing loan. The base risk weight for a performing loan is set forth on Table 2 to this paragraph (c)(1). For purposes of this paragraph (c)(1), credit score means, with respect to a single-family mortgage exposure:

(ii) The refreshed credit score of the single-family mortgage exposure.

(2) Non-modified RPL. The base risk weight for a non-modified RPL is set forth on Table 3 to this paragraph (c)(2). For purposes of this paragraph (c)(2), re-performing duration means, with respect to a non-modified RPL, the number of scheduled payment dates since the non-modified RPL was last an NPL.

(3) Modified RPL. The base risk weight for a modified RPL is set forth on Table 4 to paragraph (c)(3)(ii) of this section. For purposes of this paragraph (c)(3), re-performing duration means, with respect to a modified RPL, the lesser of:

(ii) The number of scheduled payment dates since the modified RPL was last an NPL.

(4) NPL. The base risk weight for an NPL is set forth on Table 5 to this paragraph (c)(4).

(1) In general. Subject to paragraph (d)(2) of this section, the combined risk multiplier for a single-family mortgage exposure is equal to the product of each of the applicable risk multipliers set forth under the applicable single-family segment on Table 6 to paragraph (d)(2) of this section.

(2) Maximum combined risk multiplier. Notwithstanding the combined risk multiplier determined under paragraph (d)(1) of this section, the combined risk multiplier for a single-family mortgage exposure may not exceed 3.0.

(1) Amount -

(2) Credit enhancement multiplier.

(iii) Notwithstanding anything to the contrary in this paragraph (e), for purposes of paragraph (e)(2)(ii) of this section:

(A) The OLTV of a single-family mortgage exposure will be deemed to be 80 percent if the single-family mortgage exposure has an OLTV less than or equal to 80 percent.

(B) If the single-family mortgage exposure has an interest-only feature, any cancelable mortgage insurance will be deemed to be non-cancelable mortgage insurance.

(C) If the coverage percent of the mortgage insurance is greater than charter-level coverage and less than guide-level coverage, the credit enhancement multiplier is the amount equal to a linear interpolation between the credit enhancement multiplier of the single-family mortgage exposure for charter-level coverage and the credit enhancement multiplier of the single-family mortgage exposure for guide-level coverage.

(D) If the coverage percent of the mortgage insurance is less than charter-level coverage, the credit enhancement multiplier is the amount equal to the midpoint of a linear interpolation between a credit enhancement multiplier of 1.0 and the credit enhancement multiplier of the single-family mortgage exposure for charter-level coverage.

(E) If the coverage percent of the mortgage insurance is greater than guide-level coverage, the credit enhancement multiplier is determined as if the coverage percent were guide-level coverage.

(3) Credit enhancement counterparty haircut -

(ii) Counterparty haircut. The counterparty haircut is set forth on table 12 to this paragraph (e)(3)(ii). For purposes of this paragraph (e)(3)(ii), RPL means either a modified RPL or a non-modified RPL.

(1) During forbearance. Notwithstanding anything to the contrary under paragraph (c)(4) of this section, the base risk weight for an NPL is equal to the product of 0.45 and the base risk weight that would otherwise be assigned to the NPL under paragraph (c)(4) of this section if the NPL -

(2) After forbearance. Notwithstanding the definition of “past due” under paragraph (a) of this section, any period of time in which a single-family mortgage exposure was past due while subject to a COVID-19-related forbearance is to be disregarded for the purpose of assigning a risk weight under this section if the entire amount past due was repaid upon the termination of the COVID-19-related forbearance.