If a judgment invalidating a merger or a company split (hereinafter referred to as a "merger, etc." in this Article) has become final and binding, the corporation that effected the merger, etc. is jointly and severally obligated to pay the national tax (including its accessory tax) of the corporation surviving the merger, the corporation incorporated through the merger, or the corporation that succeeded to a business through the split, for which the tax liability (meaning the tax liability prescribed in Article 15, paragraph (1) (Establishment of Tax Liability and Determination of the Payable Tax Amount); the same applies in the following Article) was established on or after the date of the merger, etc.