Supplementary Provisions, Article 8

一The amount obtained when, on the assumption that the retirement allowance mutual aid contract took effect on the day corresponding to the day on which it actually took effect, in the year going back by the number of years of the past service period from the year containing that day, and that the premiums for each month from the month containing that corresponding day through the month preceding the month containing the day on which the retirement allowance mutual aid contract actually took effect were paid at a monthly premium in an amount equivalent to the past service monthly amount, the provisions of the preceding Article (excluding item (i)) are applied with the phrase "Article 7 covered employee" in the preceding Article deemed to be replaced with "Article 8 covered employee prescribed in the following Article";

二The amount obtained by adding the total amount of past service premiums paid (where the number of months for which past service premiums were paid is 48 months or 60 months, the amount obtained by multiplying the amount of the past service premium by 49.4 or 67, respectively (for a covered employee under a retirement allowance mutual aid contract that took effect before April 1, 1996, 49.6 or 68, respectively)) to the amount obtained when, on the assumption that no past service premium has been paid, the provisions of the preceding Article are applied with the phrase "Article 7 covered employee" in the preceding Article deemed to be replaced with "Article 8 covered employee prescribed in the following Article".