青色申告書を提出する居住者は、その有する減価償却資産が次に掲げる事由のいずれかに該当する場合において、その該当する減価償却資産の使用可能期間のうちいまだ経過していない期間(以下この項から第四項までにおいて「未経過使用可能期間」という。)を基礎としてその償却費の額を計算することについて納税地の所轄国税局長の承認を受けたときは、当該資産のその承認を受けた日の属する年分以後の各年分の償却費の額の計算については、その承認に係る未経過使用可能期間をもつて前条に規定する財務省令で定める耐用年数(以下この項において「法定耐用年数」という。)とみなす。
If a Resident who submits a Blue Return, where a Depreciable Asset that the Resident holds falls under any of the following grounds, has obtained approval from the competent regional commissioner with jurisdiction over the place for tax payment to calculate the amount of the depreciation allowance on the basis of the part of the usable period of that asset that has not yet elapsed (hereinafter in this paragraph through paragraph (4) referred to as the "remaining usable period"), the remaining usable period pertaining to that approval is deemed to be the useful life specified by Ministry of Finance Order prescribed in the preceding Article (hereinafter in this paragraph referred to as the "statutory useful life") for the purpose of calculating the amount of the depreciation allowance of that asset for each year on or after the year that includes the day on which that approval was obtained: