Japan Housing Finance Agency's Series 142 Structured Issuance Assigned Preliminary 'AAA (sf)' Rating


  • The JHF series 142 fixed-rate residential mortgage-secured pass-through notes are a securitization JHF is to issue. A pool of residential mortgage loans will ultimately back the notes.
  • We are assigning our preliminary 'AAA (sf)' rating to the notes based on our view of the transaction's legal structure, credit support, and pool characteristics, among other factors.
  • Because of the structure of this transaction, the rating on the notes depends to an extent on JHF's credit quality.
TOKYO (S&P Global Ratings) Feb. 14, 2019--S&P Global Ratings today said it has 
assigned its preliminary 'AAA (sf)' rating to Japan Housing Finance Agency's 
(JHF) series 142 fixed-rate residential mortgage-secured pass-through notes. 
JHF will set the expected issue amount at or at less than ¥141.4 billion in 
mid-February.

The JHF series 142 notes are a securitization JHF is to issue. A pool of 
residential mortgage loans that JHF purchased from private-sector financial 
institutions will ultimately back the notes. We base the preliminary rating on 
the notes on our view of the transaction's legal structure, credit support, 
and pool characteristics, among other factors.

Subsequent information may lead us to assign a final rating different from the 
preliminary rating. We will assign a final rating after JHF finalizes the 
amount and exact terms of the notes and we complete a full rating analysis, 
including a review of the final pool, cash flow modeling, final structure, 
transaction documents, and legal opinion.

Our preliminary rating reflects our opinion on the likelihood of the timely 
payment of interest, or interest distribution in the case of beneficiary 
certificates, allowing for a three-month grace period, and the ultimate 
repayment of principal by the transaction's legal final maturity date.

Our preliminary rating reflects the following:
  • We assume a foreclosure frequency for the expected loan receivables of about 35.0% under a stress level commensurate with our 'AAA' rating and about 4.0% under a stress level commensurate with our 'B' rating (base-case scenario). These rates, which reflect our view of the credit quality of the underlying assets, are prior to adjustments we apply to account for the transaction's convertible pro rata pay structure.
  • We also assume a loss severity rate of about 43% for defaulted receivables under our 'AAA' stress scenario.
  • We conducted a cash flow analysis based on the foreclosure frequency and loss severity rate assumptions. As a result, under a 'AAA' stress scenario, we concluded that interest payments and principal repayments on the notes and beneficiary certificates (subsequent to a beneficiary trigger event) would be made as scheduled (allowing for a three-month grace period with respect to payment of interest, or interest distribution in the case of the beneficiary certificates).
  • Prior to a beneficiary certificate trigger event and if receivables in the collateral pool default or are delinquent for four months, JHF will eliminate these receivables from the collateral pool and amortize the notes by the amount of these receivables to maintain the initial level of overcollateralization in the trust. After a beneficiary certificate trigger event, the overcollateralization will mitigate the credit risk of the transaction's underlying mortgage loans and interest rate risk (interest on the mortgage loans less the sum of interest payments on the beneficiary certificates and transaction costs).
  • In our view, the transaction has limited exposure to setoff risk. This is because when JHF purchases loans from private-sector financial institutions, the agency secures the obligors' unconditional consent to the transfer of the loans and the obligors relinquish their rights to use any claims they have with the financial institutions to offset their mortgage debt.
  • After considering the structural features of this transaction--including the transfer of collections from the collateral receivables, the level of liquidity protection, and the lack of a credit enhancement floor--we believe the rating on the notes depends to an extent on JHF's credit quality.
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