Important for taxpayers! TNF 421.00 has been abolished since January 1, 2026. The new form will be available after February 20, 2026.  Please note: For DECEMBER 2025, TNF 421.00 is rented in the same order. New applications have been added to TNF 400.00: • 400.09 — "Energy drinks" • 400.10 — "Luxury tax" In the rest of TNF 400.00 unchanged. Save it so you don't lose it.

Source : https://www.gov.kz/memleket/entities/kgd-kostanay/press/news/details/1165879?lang=kk