12 CFR § 3.151 - Introduction and exposure measurement.
(1) To calculate its risk-weighted asset amounts for equity exposures that are not equity exposures to investment funds, a national bank or Federal savings association may apply either the Simple Risk Weight Approach (SRWA) in § 3.152 or, if it qualifies to do so, the Internal Models Approach (IMA) in § 3.153. A national bank or Federal savings association must use the look-through approaches provided in § 3.154 to calculate its risk-weighted asset amounts for equity exposures to investment funds.
(3) Stable value protection.
(i) Stable value protection means a contract where the provider of the contract is obligated to pay:
(A) The policy owner of a separate account an amount equal to the shortfall between the fair value and cost basis of the separate account when the policy owner of the separate account surrenders the policy, or
(B) The beneficiary of the contract an amount equal to the shortfall between the fair value and book value of a specified portfolio of assets.
(ii) A national bank or Federal savings association that purchases stable value protection on its investment in a separate account must treat the portion of the carrying value of its investment in the separate account attributable to the stable value protection as an exposure to the provider of the protection and the remaining portion of the carrying value of its separate account as an equity exposure to an investment fund.
(iii) A national bank or Federal savings association that provides stable value protection must treat the exposure as an equity derivative with an adjusted carrying value determined as the sum of § 3.151(b)(1) and (2).
(2) For the off-balance sheet component of an equity exposure, the effective notional principal amount of the exposure, the size of which is equivalent to a hypothetical on-balance sheet position in the underlying equity instrument that would evidence the same change in fair value (measured in dollars) for a given small change in the price of the underlying equity instrument, minus the adjusted carrying value of the on-balance sheet component of the exposure as calculated in paragraph (b)(1) of this section.
(3) For unfunded equity commitments that are unconditional, the effective notional principal amount is the notional amount of the commitment. For unfunded equity commitments that are conditional, the effective notional principal amount is the national bank's or Federal savings association's best estimate of the amount that would be funded under economic downturn conditions.
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