A fee shall be payable by the applicant to the Secretary of State where the Secretary of State requires any work to be carried out by his specialist inspectors in connection with any application in respect of which a fee is payable by virtue of paragraph (1) for any purpose specified in column 2 of Schedule 4 for which there is a corresponding entry in column 4 of that Schedule, and the fee for the work in connection with such purpose shall be that specified in the corresponding entry in column 4 of that Schedule for each hour worked, adjusted pro rata for a period worked of less than one hour, and such fee shall be payable prior to the notification of the result of the application.

Schedule 4 shall have effect subject to the Notes to it.

Where any fee is to be assessed on the reasonable cost to the Secretary of State of carrying out any work under paragraph (1), he shall on receipt of the application first prepare and send to the applicant an estimate of that cost and shall, before carrying out the work, obtain confirmation from the applicant that he wishes the work to be carried out on the basis of that estimate of cost.

Nothing in this regulation shall be construed as making a fee payable by a person in any of the capacities referred to in Article 40(4) of the 1978 Order.