6.—(1) Where:—
(a)a notice is withdrawn within the period of 5 days beginning with the date of its receipt by the Secretary of State, or
(b)an application for designation (other than one submitted only to address the grounds of rejection of a previous application) is withdrawn within the period of 21 days beginning with the date of its receipt by the Secretary of State,
the fee shall be fifty per cent of the fee otherwise payable on such notice or application.
(2) Where a reduced fee becomes payable under paragraph (1), the difference between the amount of that fee and any other fee already paid in respect of the notice or application for designation which is being withdrawn shall be repaid by the Secretary of State.