Notwithstanding the provisions of the preceding Article, if the spouse or other relative (other than one under 15 years of age) whose living expenses are paid from the same resources as a Resident that the director of the district tax office has approved to file a Blue Return, who works exclusively in a business as prescribed in the preceding Article which is run by the Resident (hereinafter referred to as a "relative employed only by a blue-return filer" in this Article) is paid a salary by the business of up to the amount stipulated in the document referred to in the following paragraph and in the way that is stipulated in that document, the part of the salary that, in light of the period, nature, and extent of the relative's service; the type and size of the business; salaries ordinarily paid in the same type and similar size of business; and any other circumstances provided for by Cabinet Order, is found to be appropriate as consideration for the relative's work, is included in the necessary expenses that are used to calculate the real property income, business income, or timber income from the Resident's business for the year in which the salary is paid, and is treated as the annual revenue constituting salary income of the relative employed only by the blue-return filer.

A Resident seeking to apply the provisions of the preceding paragraph to income taxes in and after the current year must submit a document to the competent district tax office director for the locality in which the Resident pays taxes, giving the names of relatives employed only by the blue-return filer, the details of their duties, the amounts of their salaries, the pay periods for those salaries, and the information prescribed by Ministry of Finance Order, no later than March 15 of the relevant year (or within two months from the day on which the Resident starts a business as referred to in that paragraph, if this is on or after January 16 of that year).

If a Resident (other than one as prescribed in paragraph (1)) has a spouse or other relative whose living expenses are paid from the same resources as the Resident (excluding a relative under 15 years of age) and who works exclusively in a business as prescribed in the preceding Article which is run by the Resident (hereinafter referred to as a "relative employed only by the Resident" in this Article), whichever is the lower of the following amounts is deemed to constitute the necessary expenses for each relative employed only by the Resident which are used to calculate the real property income, business income, or timber income from that business of the Resident for the year:

If the provisions of the preceding paragraph are applied, the amount deemed to be the necessary expenses for each of the relatives employed only by the Resident pursuant to the provisions of that paragraph is deemed to be the revenue constituting salary income of each of the relatives employed only by the Resident which is used to calculate their Income in Each Class for the year.

The provisions of paragraph (3) do not apply unless a Tax Return indicates recourse to the application of the provisions of that paragraph and gives information about the amounts that are deemed to be necessary expenses pursuant to the provisions of that paragraph.

Even if no Tax Return is filed or if a Tax Return is filed that is not filled out as referred to in the preceding paragraph, the district tax office director may apply the provisions of paragraph (3) on finding there to be unavoidable circumstances for the Resident's failure to file the Tax Return or fill it out in that manner.

In a case as referred to in paragraph (1) or paragraph (3), whether a relative as prescribed in those provisions is under 15 years of age is determined by the relative's age as of December 31 of the relevant year (or as of the time of the Resident's death or the start of the Resident's Absence From Japan, if the Resident prescribed in these provisions dies or becomes Absent From Japan partway through the year); provided, however, that if such a relative has already died as of that point in time, whether that relative was under 15 years of age is determined by the relative's age as of the time of death.

Cabinet Order prescribes procedures for if the details of the requirements for a relative employed only by a blue-return filer or relative employed only by a Resident change and for if information that has been given in the document referred to in paragraph (2) changes, and provides for other necessary particulars concerning the application of the provisions of paragraph (1) and paragraph (3).