e-Tax
【Year-End and New Year Maintenance】
December 29, 2025 (Monday) 0:00 JST ～ January 5, 2026 (Monday) 8:30 JST
eLTAX
【Year-End and New Year Maintenance】
December 27, 2025 (Saturday) 0:00 JST ～ January 4, 2026 (Sunday) 8:30 JST
【Year-End and New Year Maintenance】
December 29, 2025 (Monday) 0:00 JST ～ January 5, 2026 (Monday) 8:30 JST
【Year-End and New Year Maintenance】
December 27, 2025 (Saturday) 0:00 JST ～ January 4, 2026 (Sunday) 8:30 JST