For a national tax subject to the official assessment system, the district director of the tax office determines, based on their examination, after the due date for filing a tax basis return (for a national tax for which the filing of a tax basis return is not required, after the time when its tax liability is established), in accordance with the following categories of cases, the matters listed in the relevant item:
where a tax basis return has been filed and the tax basis stated in the return is the same as what the district director of the tax office has found through examination: the tax amount payable;
課税標準申告書の提出があつた場合において、当該申告書に記載された課税標準が税務署長の調査したところと同じであるとき。 納付すべき税額
where no tax basis return has been filed for a national tax for which a tax basis return is required to be filed, or where a tax basis return has been filed and the tax basis stated in the return differs from what the district director of the tax office has found through examination: the tax basis and the tax amount payable;
where the filing of a tax basis return is not required: the tax basis (for the penalty tax prescribed in Article 69 (Tax Items for Penalty Tax) and negligence tax, the tax amount on which their calculation is based; the same applies hereinafter in this Article) and the tax amount payable.
If, after making a determination under the provisions of the preceding paragraph or this paragraph, the district director of the tax office becomes aware that the tax basis determined (in the case listed in item (i) of the preceding paragraph, the tax basis stated in the tax basis return referred to in that item) or the tax amount payable has been overestimated or underestimated, they make a determination changing the tax basis and the tax amount payable pertaining to that determination, based on their examination.
A determination under the provisions of paragraph (1) is made by the district director of the tax office serving a written notice of assessment and determination (in the case listed in paragraph (1), item (i), a written notice of tax payment) stating the tax basis and the tax amount payable pertaining to the determination.
A determination under the provisions of paragraph (2) is made by the district director of the tax office serving a written notice of assessment and determination stating the following matters:
第二項の規定による決定は、税務署長が次に掲げる事項を記載した賦課決定通知書を送達して行なう。
the tax basis and the tax amount payable before the determination;
その決定前の課税標準及び納付すべき税額
the tax basis and the tax amount payable after the determination;
その決定後の課税標準及び納付すべき税額
if the tax amount payable before the determination increases or decreases as a result of the determination, the tax amount payable by which it increases or decreases.
その決定前の納付すべき税額がその決定により増加し、又は減少するときは、その増加し、又は減少する納付すべき税額
The provisions of Article 27 (Reassessment or Determination Based on Examination by Officials of the National Tax Agency or National Taxation Bureau), the second sentence of Article 28, paragraph (3) (Matters to be Stated as Supplementary Notes to a Written Notice of Determination) and Article 29 (Effect of Reassessment, etc.) apply mutatis mutandis to a determination made under the provisions of paragraph (1) or paragraph (2) (hereinafter referred to as an "assessment and determination").