4.2. Where, in a year, a public servant ceases to hold the reference employment retained pursuant to section 4.1 and, before the end of that year, the public servant simultaneously holds again more than one employment under the plan, that public servant’s contributory period is established, for the part of the year where more than one employment is simultaneously held, by retaining as new reference employment from among the employments then held the employment held on the day before the day on which more than one employment begin to be held simultaneously or, if none of those employments is held on that preceding day, the employment with the highest annual basic salary.
Where, in a year, a public servant ceases to hold the reference employment retained pursuant to section 4.1 and continues to simultaneously hold more than one employment under the plan, that public servant’s contributory period is established, for the part of the year that begins on the first day following the day on which the public servant ceases to hold the reference employment, by retaining as new reference employment from among the employments held on that first day the employment with the highest annual basic salary.