# The Capital Buffers and Macro-prudential Measures Regulations 2025, Regulation 19: Date of application


(1) Where the PRA sets a buffer rate for a relevant O-SII under regulation 18, the PRA must decide the date from which the relevant O-SII must apply that rate in the calculation of its O-SII buffer.
(2) Where the PRA has set a buffer rate for a relevant O-SII under regulation 18 and determines that a buffer rate is no longer to be set for the relevant O-SII under that regulation, the PRA must decide the date from which the buffer rate ceases to have effect.

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Source: https://www.legislation.gov.uk/uksi/2025/653/regulation/19 (the official version)
Page: https://openlegislation.uk/capital-buffers-and-macro-prudential-measures-regulations-2025/regulation-19
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.