the 1971 Actmeans the Pensions (Increase) Act 1971;
the Companymeans Merseyside Transport Limited;
the Councilmeans Wirral Borough Council;
the Executivemeans Merseyside Passenger Transport Executive;
the Fundmeans the superannuation fund maintained by the Council;
the principal Regulationsmeans the Local Government Superannuation Regula tions 1986.