OCC clarifies guarantor support treatment in commercial credit risk ratings for community banks

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Highlights

OCC bulletin clarifies guarantor support is typically a secondary or tertiary repayment source and does not automatically improve commercial credit risk ratings for community banks.
Guarantor support generally cannot justify a pass rating for loans with well-defined weaknesses, though it may support special mention or prevent harsher classifications.
To enhance a credit's risk rating, a guarantor must demonstrate clear capacity and willingness, with enforceable, unconditional guarantees and prudent underwriting required.

Guidance outlines rating treatment

As reported by Office of the Comptroller of the Currency, the bulletin clarifies how banks should treat guarantor support when assigning risk ratings to commercial credits. It focuses on personal and corporate guarantees, and does not address U.S. government guarantees.

The OCC says commercial credit ratings remain tied to the specific facts and circumstances of each loan, with the borrower’s expected performance from the primary source of repayment remaining the central consideration. Under the common federal risk-rating framework, credits are graded as special mention, substandard, doubtful, or loss when weaknesses are identified, while loans outside those categories are rated pass.

The bulletin says guarantor support is generally a secondary or tertiary source of repayment, which means it does not automatically improve a loan’s classification. For most credits with well-defined weaknesses, guarantor support alone is generally not enough to justify a pass rating, although it can support a special mention rating or prevent a more severe classification in some cases.

Capacity, willingness and guarantee terms matter

A strong guarantee can still support a pass rating when prudent underwriting is present and guarantors have strong financial positions. The OCC says the extent of credit risk mitigation depends on whether the guarantee reduces default risk or loss risk, and on the legal and financial characteristics of the support.

To improve a credit’s risk rating, a guarantor must show both capacity and willingness to support the debt. The bulletin says capacity should be assessed through current financial information and, in most cases, global cash flow analysis, including whether the guarantor can meet the full number and amount of guarantees already extended.

The agency also says guarantees that are not properly authorized may not be legally enforceable and therefore may not enhance a credit’s rating. Among the key considerations are whether a guarantee is irrevocable, unconditional, and sufficient in amount, as well as whether corporate rules such as bylaws restrict the assumption of contingent liabilities.

As we noted earlier, sovereign ratings pressure is rising as geopolitical tensions and elevated fiscal spending lift borrowing risks.

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