6. In regulation 14 (fees)—
(a)in paragraph (1), for the words “when it assigns or supplies”, there shall be substituted “in connection with the assignment or supply of”;
(b)in paragraph (2)(a), for the words “such rounds in respect of which” there shall be substituted the words “such rounds in which a single vehicle is used and in respect of which”;
(c)after paragraph (2), there shall be added the following paragraph—
“(3) Where an Agency assigns or supplies a code under regulation 4(1) without the fee required under this regulation having been paid to it, the person who requested the assignment or supply shall be required to pay the fee to that Agency within the period of two months beginning with the date on which the request was made.”