27.Bank calculations of risk-weighted assets for equity investments in funds under this Standard must be subject to appropriate levels of independent review by third parties and challenge. Reviews must cover associated bank processes including the identification of in-scope equity positions, determination of the appropriate approach under the hierarchy of approaches, and the processes for collection of information about the funds’ exposures or mandates, as well as material aspects of the calculations under this Standard, including but not limited to the risk weights applied to the underlying exposures (including on-balance-sheet, off-balance-sheet and derivative exposures as well as PFE), the average risk weights for funds and the calculation of fund leverage.