N otwithstanding the provisions of paragraph 1 of this by .i.rticle II of these regulations because he had entered emarticle, a participant may not make pensionable a period during ployment under a contra.et for less than one year, or had which he was employed under a contract of employment which completed less than one year of service, may, subject to paraspecifically excluded his participation in the Pension Fund. graph 4 of this regulation, elect within one year of the commencement of his participation to have the period of such prior Article XXIX (amended text) employment included in his contributory service to the extent The Joint Staff Pension Board, upon the advice of a qualified to which he pays into the Pension Fund, in accordance with actuary or actuaries, shall adopt from time to time service the administrative rules established for this purpose by the and mortality tables and the rate of regular interest which Joint Staff Pension Board, a sum or sums equal to the conshall be used in ail actuariat calculations required in connexion tributions which he would have paid had be been subject to with the Pension Fund. Unless and until changed by the Joint these regulations throughout this period, with compound inter- Staff Pension Board, at a rate of 2½ per cent per annum est at 2½ per cent per annum, and provided that there has shall be the applicable rate of regular interest. At least once been continuity of employment. For the purposes of this in each six years following the establishment of the Pension article, intervals of not more than thirty calendar days in the Fund, the Board shall have an actuariat investigation made period of employment shall not be considered as breaking the into the mortality, ,service and compensation experience of continuity of employment. The time covered by these intervals the participants and beneficiaries of the Pension Fund; and, shall not be included in the period of contributory service.
