PART 3 REQUIREMENTS RELATING TO THE LEVYING AND COLLECTION OF A TOLL OR USER CHARGE
10.Levying tolls and user charges in relation to HGVs of 12 tonnes and over
11.Tolls and user charges not to be levied simultaneously
12.Requirement not to discriminate
12A.Prohibition of discounts or reductions for external-cost charges
13.Reductions and exemptions
14.Discounts and reductions for infrastructure charges
15.Arrangements for the collection of tolls and user charges
16.Levying tolls where vehicle documents unavailable