# The Capital Buffers and Macro-prudential Measures Regulations 2025, Regulation 21: Publication: United Kingdom buffer rates


(1) Where the PRA sets a buffer rate for a relevant O-SII under regulation 18, the PRA must publish the following information on its website—
(a) the relevant O-SII to which the buffer rate applies,
(b) the buffer rate,
(c) the justification for setting the buffer rate,
(d) the date from which the relevant O-SII must apply the buffer rate,
(e) the level of consolidation to be used in the calculation of the O-SII buffer (as determined in accordance with Step 1 of regulation 18(2)), and
(f) the fact that the O-SII buffer applies to exposures located anywhere in the world.
(2) Where the PRA determines that a buffer rate is no longer to be set for a relevant O-SII under regulation 18, the PRA must publish the following information—
(a) the fact that the buffer rate is no longer to be set,
(b) the fact that the relevant O-SII is no longer required to maintain an O-SII buffer,
(c) the justification for ceasing to set the buffer rate, and
(d) the date from which the relevant O-SII may cease to apply the buffer rate.
(3) A reference to the PRA’s justification in paragraphs (1)(c) and (2)(c) includes the PRA’s justification for doing anything under Step 3 of regulation 18(2).
(4) The PRA must not publish information under paragraph (1)(c) or (2)(c) if the PRA is satisfied that publication might jeopardise the stability of the financial system of the United Kingdom.

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Source: https://www.legislation.gov.uk/uksi/2025/653/regulation/21 (the official version)
Page: https://openlegislation.uk/capital-buffers-and-macro-prudential-measures-regulations-2025/regulation-21
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.