PART III
LEVYING OF ROAD-USER CHARGE
Road-user charge to be paid during restricted hours
5.  A road-user charge of the appropriate amount as specified in the First Schedule shall be payable on every occasion a motor vehicle is ridden, driven or moved into a specified entry point on a specified road during the restricted hours.
Payment of road-user charge
6.—(1)  The road-user charge shall be paid by using an ERP card with the in-vehicle unit installed in a motor vehicle.
(2)  The appropriate amount of road-user charge shall be debited against the stored value of the ERP card.