Article 46-2 of the new Act on General Rules for National Taxes applies to a tax payment grace period under the provisions of Article 46, paragraphs (1) through (3) of the Act on General Rules for National Taxes (hereinafter referred to as a "tax payment grace period" in this paragraph) for which an application is filed on or after January 1, 2024, and the provisions then in force continue to govern a tax payment grace period for which an application was filed before that date.