Article 152 (Special Provisions on Requests for Reassessment If Income in Each Class Changes) and Article 153 (Special Provisions on Requests for Reassessment Accompanying Reassessment of a Previous Year's Income Tax and Similar Actions) (including as applied mutatis mutandis pursuant to Article 167 (Application Mutatis Mutandis to Nonresidents) of the new Act) of the new Act apply where facts falling under those provisions arise on or after the effective date, and the provisions then in force continue to govern where such facts arose before that date.