您好，您需要交付罚单的。您的车如果停在路边，就符合法律的定义“on a road”，那么如果您停止了路税，就构成了违法了。
Registration plates or licence not displayed as required
(1) A person commits an offence if the person operates a motor vehicle by driving or using it on a road if the motor vehicle—
(a) displays any registration plate or licence that is not authorised to be affixed to the motor vehicle under Part 17 of the Act; or
(b) displays an object or a design that is reasonably likely to be mistaken for a plate or licence authorised to be affixed to the motor vehicle under Part 17 of the Act.
(2) A person commits a stationary vehicle offence if the person operates a motor vehicle by causing or permitting it to be on a road if the motor vehicle—
(a) displays any registration plate or licence that is not authorised to be affixed to the motor vehicle under Part 17 of the Act; or
(b) displays an object or a design that is reasonably likely to be mistaken for a plate or licence authorised to be affixed to the motor vehicle under Part 17 of the Act.
(3) In proceedings for an offence against subclause (1) or (2) that relates to the display of a registration plate that is not authorised to be affixed to the motor vehicle, it is a defence if the defendant proves that personalised plates—
(a) have been issued to the motor vehicle; and
(b) have been dispatched to the person acquiring the plates in the 7 days preceding the offence but have not yet been received by that person