The deadline for submitting tax reports for 2025 expires on March 31.
According to the results of 2025, it is necessary to submit the following TNF no later than March 31, 2026:
f. 100.00, 110.00, 150.00, 180.00 - Declarations on the CPN;
f. 220.00 - Declaration of personal income tax;
F. 531.00 - Declaration (calculation) on the fulfillment of a tax obligation in kind;
f. 540.00 - Declaration of excess profit tax;
f. 560.00 - Declaration of payment for reimbursement of historical expenses;
f. 600.00 - Declaration of alternative tax on subsurface use;
f. 700.00 - Declaration of vehicle tax, land tax and property tax;
F. 871.00 - Register of lease (use) agreements;
f. 912.00 - Declaration for taxpayers who apply the tax deduction using a fixed deduction;
f. 920.00 - Declaration for single land tax payers.
In addition, for the 4th quarter of 2025, f. 101.04 is submitted - Calculation of the CPN withheld from the source of payment from the income of a non-resident.
Also, no later than April 1, 2026, individuals must pay the vehicle tax for 2025.

Source : https://www.gov.kz/memleket/entities/kgd-kostanay/press/news/details/1189732?lang=kk