15(2)For the purposes of a calculation under paragraph (1)(
c), the judge’s average salary shall be adjusted in accordance with section 27, with the necessary modifications, from the date when the judge ceased to perform the duties of the position or office of judge as a result of becoming disabled, until the date when the judge became 65 years of age, inclusive, using the indexes and multipliers that would have been used to adjust a benefit during the years in question.