The allocation percentage that the parties are to request must be determined so as to fall within the range between at least the percentage that constitutes the person subject to a class II revision's aggregate amount of standardized remuneration for the subject period (meaning the amount arrived at when first the parties are deemed to be the beneficiaries, then each of the standardized monthly amounts of remuneration and the standardized amounts of bonuses for each month of the insured period falling under the subject period ( the previous standardized monthly amount of remuneration specified in Article 26, paragraph (1) is substituted for that standardized monthly amount of remuneration, for each month in which the previous standardized monthly amount of remuneration is deemed to be the standardized monthly amount of remuneration for the relevant month pursuant to the provisions of that paragraph) is multiplied by the revaluation rate that is applicable on the last day of the subject period, and finally all of the products thus calculated are added; the same applies hereinafter) in proportion to the sum total of both parties' aggregate amounts of standardized remuneration for the subject period and 50%, at most (that range is hereinafter referred to as the "allocation percentage range").
Notwithstanding the provisions of the preceding paragraph, with respect to a request for standardized remuneration to be revised or decided, if the day on which information concerning the allocation percentage range has been received pursuant to the provisions of paragraph (1) of the following Article (including materials received by the court, or an authorized judge or commissioned judge pursuant to the provisions of Article 78-5 and, if more than one material exists, the last one; the same applies in this paragraph) is before the last day of the subject period and the period of time until the last day of the subject period is shorter than one year, or in other cases specified by Order of the Ministry of Health, Labour and Welfare, the allocation percentage range with regard to which that information has been received may be set as the allocation percentage range under that paragraph.