the appropriate fractionmeans— a in the case of a participant in service on or after 1st April 1995 who has not exercised an option under article 5(2), i in the case of a year or part of a year ending before 15th July 2002, one-fiftieth, and, ii in the case of a year or part of a year commencing on or after 15th July 2002, one-fortieth;
the principal Ordermeans the European Parliamentary (United Kingdom Representatives) Pensions (Consolidation and Amendment) Order 1994, and other expressions shall have the same meaning as in the principal Order.