(1) Regulation 19B of the Central Counterparties (Amendment, etc., and Transitional Provision) (EU Exit) Regulations 2018 (S.I. 2018/1184) is amended as follows.
(2) In paragraph (2) for "one year" substitute "3 years and 6 months".
(3) After paragraph (3) insert -
"(4) The period determined by the Bank of England in a particular case under paragraph (2) (whenever determined) may be varied by the making of a subsequent determination."