(1)If the specified date in a penalty notice has passed and—
(a)the period during which an appeal against the imposition, or amount, of the penalty may be made has expired without an appeal having been made, or
(b)such an appeal has been made and determined,
the Director may recover from the undertaking, as a civil debt due to him, any amount payable under the penalty notice which remains outstanding.
(2)In this section—
“penalty notice” means a notice given under section 36; and
“specified date” means the date specified in the penalty notice.