These Regulations bring into operation the revised code of practice (“the Code”) issued under paragraph 56(1) and (7) of Schedule 3 to the Counter-Terrorism and Border Security Act 2019 (c. 3) (“the 2019 Act”) in connection with the exercise of examining officers and review officers of functions conferred on them by Schedule 3 to the 2019 Act. The Code revises the preceding code of practice to take account of amendments made to paragraph 12(11) of Schedule 3 to the 2019 Act by section 29 of the National Security Act 2023 (c. 32) (“the 2023 Act”).