With respect to a worker to whose working hours the provisions of Article 67, paragraph (1) of the Ordinance for Enforcement of the Labor Standards Act as amended by this Ministerial Ordinance (hereinafter referred to as the "new Rules") apply as of March 31, 2002 (hereinafter referred to as the "base date"), the working hours pertaining to the week that includes the base date are governed by the provisions of that paragraph.