Article 5-(7). If an individual filing its blue return has, in order to prepare against any loss which may be caused by the decline of the values of the assets to be inventoried as provided for in Article 10-(3) of the Income Tax Law (hereinafter referred to as "the inventory assets" in this Article), transferred, each year, into the price fluctuation reserve account, an amount not exceeding the amount obtained by adding the excess amount in the case where the total of the book values given to the inventory assets, other than securities, owned by the said individual on December 31 of the year concerned, exceeds the total of the amounts corresponding to 90% of the values of the said assets at the same date, to the excess amount in the case where the total of the book values given to the securities (excluding national bonds) provided, for in Article 2 paragraphs 1 and 2 of the Securities and Exchanges Law, which are the inventory assets owned by the individual at the same date, exceeds the total of the amounts corresponding to 95%, (90%, as for joint stock shares) of the values of the said securities at the same date (average amounts of daily final values in the course of December in the year concerned, which were made public in accordance with the provision of Article 122 paragraph 2 of the Securities and Exchanges Law, as for those listed on a securities exchange)(hereinafter referred to as "the amount of transfer limit" ), the said transfer amount shall be included in the necessary expenses for the purpose of computing the business income of the year when such transfer has been made.