12 C.F.R. § 1240.204
(b) Single point approach—(1) General. For purposes of the standardized measure for spread risk, the spread risk capital requirement for a covered position that is an RPL, an NPL, a reverse mortgage loan, or a reverse mortgage security is the amount equal to:
(2) Applicable single point shock assumption. The applicable single point shock assumption is:
(c) Spread duration approach—(1) General. For purposes of the standardized measure for spread risk, the spread risk capital requirement for a covered position that is a multifamily mortgage exposure, a PLS, or an MBS guaranteed by an Enterprise or Ginnie Mae and secured by multifamily mortgage exposures is the amount equal to:
(2) Applicable spread shock assumption. The applicable spread shock is: