the 1971 Actmeans the Pensions (Increase) Act 1971;
the Bus Companymeans Greater Manchester Buses Limited;
the Executivemeans the Greater Manchester Passenger Transport Executive;
the North Companymeans Greater Manchester Buses North Limited;
the principal Regulationsmeans the Local Government Superannuation Regulations 1986;
the South Companymeans Greater Manchester Buses South Limited.