①In the case where an individual (referred to as the "heir, etc." hereinafter in this Article) has acquired, by inheritance or bequest, an equity interest in a transitional medical corporation prescribed in paragraph (2) of the preceding Article (referred to as a "transitional medical corporation" hereinafter in this paragraph and paragraph (3)) from another individual who held an equity interest in that transitional medical corporation (referred to as the "decedent" in paragraph (4)), if that transitional medical corporation is a certified medical care corporation (including a transitional medical corporation that has received certification by the Minister of Health, Labour and Welfare by the filing deadline for the inheritance tax return relating to that inheritance or December 31, 2029, whichever is earlier) at the time of the commencement of the succession, and the heir, etc. who acquired that equity interest has, during the period from the time of the commencement of the succession to the filing deadline for the inheritance tax return relating to that inheritance, waived, pursuant to the provisions of Order of the Ministry of Finance, all or part of the equity interest held by the heir, etc. in that transitional medical corporation that has received certification by the Minister of Health, Labour and Welfare, then, for that heir, etc., the remaining amount after deducting the waiver-equivalent inheritance tax amount from the amount calculated under the provisions of Articles 15 through 20-2 and Article 21-15, paragraph (3) of the Inheritance Tax Act is the amount of inheritance tax to be paid by the heir, etc.

②The waiver-equivalent inheritance tax amount prescribed in the preceding paragraph means the amount calculated pursuant to the provisions of Cabinet Order as the amount corresponding to the part waived by the heir, etc. referred to in that paragraph, out of the amount calculated pursuant to the provisions of Cabinet Order by deeming the value of the equity interest in the certified medical care corporation to which the provisions of that paragraph apply to be the taxable value of inheritance tax for that heir, etc.

③In the case where the heir, etc. seeking the application of the provisions of paragraph (1) has, during the period from the time of the commencement of the succession referred to in that paragraph to the filing deadline for the inheritance tax return relating to that inheritance, received a refund according to the amount of capital contribution based on the equity interest in the transitional medical corporation referred to in that paragraph or made a transfer of that equity interest, the provisions of that paragraph do not apply.

④The provisions of paragraph (1) do not apply in the case where the inheritance tax return relating to the equity interest referred to in that paragraph that the heir, etc. seeking the application of the provisions of that paragraph acquired by inheritance or bequest from the decedent does not contain a statement that the application of the provisions of that paragraph is sought for that equity interest, or in the case where details of that equity interest, details concerning the calculation of the waiver-equivalent inheritance tax amount referred to in that paragraph, and other documents specified by Order of the Ministry of Finance are not attached to that return.

⑤Beyond what is prescribed in the preceding two paragraphs, Cabinet Order provides for the necessary particulars concerning the application of the provisions of paragraph (1).