The tax year is the calendar year in Tanzania. But a different tax year may be adopted by the taxpayer with prior approval from the tax authorities.
Taxpayers are required to file a provisional tax return (estimated tax return) within 3 months of the tax year and a final tax return within 6 months from the end of the tax year.
Request for extension may be made at least 15 days prior to the due date for filing return.
The estimated tax or the advance tax is required to be paid in 4 installments by the third, sixth, ninth and twelfth month of the tax year. The 1st installment is paid while filing the provisional tax return i.e. by third month.
The final tax due, based on the tax return after adjusting advance tax payments, and is required to be paid at the time of filing of the tax return.
The taxpayer’s estimate of taxable income may not be less than 80% of the taxable income as determined in the final tax return for the tax year.
Tax on capital gains derived from the disposal of investment assets is required to be paid in instalments with the first installment being 10% for residents and 20% for non-residents, payable before the transfer of the title of an investment asset.
E-filing is available on the tax authorities dedicated portal https://gateway.tra.go.tz/Efiling/login.aspx