15.—(1) The instruments specified in column 1 of Part I of Schedule 8 are hereby revoked to the extent specified in the corresponding entries in column 3 of that Part.
(2) The instruments specified in Part II of Schedule 8 are hereby amended to the extent specified in that Part.
(3) Any record or register required to be kept under any instrument revoked by these Regulations, shall be kept in the same manner and for the same period as if these Regulations had not been made.