①The provisions of Article 64 of the New Corporation Tax Act apply to construction work prescribed in paragraph (1) of that Article (excluding transitional construction work) that a corporation starts in a business year starting on or after the Effective Date, and with regard to construction work prescribed in Article 64, paragraph (1) of the Former Corporation Tax Act (including transitional construction work) that a corporation started in a business year that started before the Effective Date, the provisions then in force continue to govern.

②The transitional construction work prescribed in the preceding paragraph means work begun in the case where, in each business year starting during the period from the Effective Date to March 31, 2009, a corporation does not account for any of the construction work that it has contracted for (meaning construction work prescribed in Article 64, paragraph (1) of the New Corporation Tax Act) and starts in that business year (excluding construction work whose subject matter is delivered within that business year; hereinafter referred to as "work begun" in this paragraph) that falls under the category of long-term, large-scale construction work prescribed in paragraph (1) of that Article as of the end of that business year (excluding work begun that falls under the category of long-term, large-scale construction work prescribed in Article 64, paragraph (1) of the Former Corporation Tax Act as of the end of that business year and work begun specified by Cabinet Order as having a low rate of progress) by way of the percentage of completion method specified by Cabinet Order as prescribed in Article 64, paragraph (2) of the New Corporation Tax Act in the final settlement of accounts for that business year (or, when calculating the amount listed in Article 72, paragraph (1), item (i) of the New Corporation Tax Act, in the settlement of accounts for the period prescribed in that paragraph).