In order to qualify as level 2B assets, the restricted-use committed liquidity facilities that may be provided by a central bank as referred to in paragraph (1)(d) of Article 12 shall fulfil all of the following criteria:
(a) during a non-stress period, the facility is subject to a commitment fee on the total committed amount which is at least the greater of the following:
(i) 75 basis points per annum; or
(ii) at least 25 basis points per annum above the difference in yield on the assets used to back the facility and the yield on a representative portfolio of liquid assets, after adjusting for any material differences in credit risk;
During a stress period, the central bank may reduce the commitment fee described in the first subparagraph of this point, provided that the minimum requirements applicable to liquidity facilities under the alternative liquidity approaches in accordance with Article 19 are met;
(b) the facility is backed by unencumbered assets of a type specified by the ce
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