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10.Substitution of regulation 11 of the principal Regulations
11.Substitution of regulation 12 of the principal Regulations
12.Substitution of regulation 13 of the principal Regulations
13.Substitution of regulation 20 of the principal Regulations
14.Substitution of regulation 21 of the principal Regulations
15.Substitution of regulation 21A of the principal Regulations
16.Substitution of regulation 21B of the principal Regulations
17.Substitution of regulation 21C of the principal Regulations
18.Insertion of new regulations in the principal Regulations
19.Substitution of Part 6 of Schedule 2 to the principal Regulations