81.—(1) Where a collecting authority is required to apportion liability to pay CIL between each material interest in the relevant land, it may impose a surcharge of £500 in respect of each of those interests.
(2) A surcharge imposed in respect of a material interest under paragraph (1) is payable by the owner of that interest.
(3) A surcharge is not payable under this regulation where the collecting authority is required to apportion a surcharge.