The Nepal Income Tax Deadline 2026 for the FY 2082/83 annual income tax return is 17 October 2026 (Ashoj 31, 2083), based on the rule requiring annual income returns to be filed within three months after the income year ends.
The 17 October 2026 deadline applies to the annual income tax return for FY 2082/83, not the annual return for FY 2083/84. FY 2083/84 began on 17 July 2026 and its annual return will be due in October 2027 under the normal three-month rule.
For businesses, professionals, investors, and other taxpayers in Nepal, keeping track of income tax deadlines is an important part of staying compliant.
Missing an income tax deadline can result in additional fees, interest, and other compliance problems. For businesses, late filing can also make it more difficult to obtain tax clearance, complete financial transactions, or maintain a clean tax record.
If you are searching for the Income Tax Deadline in Nepal 2026, the most important date to remember is the deadline for filing the annual income tax return. Under Nepal’s Income Tax Act, an income return generally needs to be submitted within three months after the end of the income year. The Inland Revenue Department also confirms that self-assessed tax is generally payable within the same filing period.
For the financial year 2082/83, which ended at the end of Ashadh 2083, the regular annual income tax return deadline falls at the end of Ashoj 2083, which corresponds to 17 October 2026.
Understanding this deadline, along with advance tax installment dates and other tax filing requirements, can help taxpayers avoid unnecessary costs.
The standard deadline for filing an annual income tax return in Nepal is three months after the end of the income year.
Nepal’s income year generally runs from Shrawan 1 to the end of Ashadh. The Income Tax Act provides that a person required to file an income return must submit it within three months after the income year ends, subject to specific provisions and exceptions.
For the financial year 2082/83:
This makes 17 October 2026 an important date for taxpayers completing their annual income tax filing for FY 2082/83. Point to note: Ashoj 31, 2083 is Saturday, 17 October 2026, and it is Fulpati/Dashain public holiday. Also, this does not state that the deadline automatically moves to the next working day.
Taxpayers should also check for any specific notice from the Inland Revenue Department regarding an extension or special filing arrangement before relying on a different deadline.
Not every individual has exactly the same income tax filing obligation.
Businesses, companies, firms, professionals, investors, and individuals with income from business or investment may have to submit annual income tax returns.
There are also specific situations where an individual with employment income may have a filing obligation. The IRD’s guidance states that a resident natural person earning more than NPR 40 lakh from employment in an income year is required to submit an income return, while certain individuals with only employment income below that threshold may not have to file if the stated conditions are met.
The rules can become more complicated when a taxpayer has multiple sources of income.
For example, an individual may receive salary as well as rental income, business income, investment income, or other taxable income. In such cases, the taxpayer should determine whether an annual return is required rather than assuming that tax deducted from salary completely satisfies the filing obligation.
Companies and businesses generally need to prepare their annual accounts and tax information before submitting their income tax return.
For FY 2082/83, the regular annual return deadline is the end of Ashoj 2083, corresponding to 17 October 2026.
This means businesses should not wait until the final few days. Before filing, a company may need to finalize its accounting records, reconcile bank accounts, review receivables and payables, calculate depreciation, reconcile tax deductions, review VAT records where applicable, and prepare the required financial statements and supporting schedules.
For larger businesses, the process can take considerably longer.
Starting the preparation early reduces the risk of discovering an accounting or tax issue immediately before the deadline.
The annual income tax return is not the only important tax deadline.
Taxpayers who are required to pay income tax in installments generally have three payment dates during the income year.
The Inland Revenue Department requires taxpayers who fall under the relevant provisions to pay estimated annual income tax in installments throughout the income year.
Due by the end of Poush.
Due by the end of Chaitra.
Due by the end of Ashadh.
Important: The installment system is based on the taxpayer’s estimated annual tax liability and applies only to taxpayers who fall within the relevant provisions.
This means businesses should monitor their estimated annual tax throughout the year rather than treating the annual return deadline as the only tax payment date.
Filing an income tax return and paying income tax are related, but they are not exactly the same thing.
A taxpayer may be required to submit a return showing income, deductions, taxable income, and tax liability. Any self-assessed tax payable generally needs to be paid within the applicable return filing deadline.
The IRD specifically states that self-assessed tax should be paid within the deadline for submitting the income return, generally by the end of Ashoj following the income year.
Therefore, simply submitting the return without paying the tax due does not necessarily mean the taxpayer has completed all of their tax obligations.
Businesses should reconcile the tax payable before submitting the return and ensure that the payment is completed correctly.
Missing the income tax deadline can create additional costs. Nepal’s Income Tax Act provides fees for failure to submit required income returns within the prescribed time. The applicable fee can depend on the type of taxpayer and the relevant calculation under the Act.
The IRD also explains that failure to file an income return can result in a fee calculated based on assessable income or a monthly minimum amount, depending on the taxpayer.
Late payment can also result in interest. The IRD explains that interest can apply to outstanding tax amounts after the applicable payment deadline. For installment taxpayers, interest can also apply where required installments are not paid or are underpaid.
The exact amount depends on the circumstances, so taxpayers should not assume that filing late is simply a matter of paying a small fixed fine.
Taxpayers should distinguish between an automatic deadline and an officially granted extension.
The standard legal deadline remains applicable unless an extension is granted under the relevant process or an official notice changes the filing arrangement.
2026 Deadline Status: As of 7 October 2026, the regular FY 2082/83 annual income tax return deadline remains 17 October 2026 (Ashoj 31, 2083). Check the latest IRD notice before filing because deadline arrangements can change through an official notice.
The IRD has previously issued notices extending income tax return filing deadlines, so taxpayers should check the latest official IRD notices when approaching the deadline.
However, taxpayers should not assume that an extension will automatically be granted every year.
If additional time is needed, it is better to review the applicable extension procedure early rather than waiting until after the original deadline.
Importantly, an extension of the filing deadline does not necessarily mean that interest on tax payable is eliminated. The IRD notes that interest can continue to apply to tax payable even where an extension of the return filing deadline has been granted.
Preparing the required documents early can make the income tax filing process much easier. Depending on the taxpayer and type of income, relevant records may include:
Businesses should also reconcile their accounting records with their tax records before submitting the return.
This is especially important where the business has multiple bank accounts, branches, related companies, foreign transactions, or significant fixed assets.
Waiting until the last week before the deadline can create unnecessary pressure. A business may discover that its financial statements have not been finalized, a TDS payment is missing, an expense does not have adequate documentation, or accounting records do not match the information submitted through other tax systems.
These problems can take time to correct.
Early preparation gives businesses enough time to:
For companies, this process should ideally begin well before the end of Ashoj.
Businesses should also remember that income tax and VAT operate under different filing systems and deadlines.
VAT-registered businesses generally have periodic VAT filing obligations. The IRD states that registered taxpayers generally submit VAT returns within 25 days after the end of the relevant tax period.
Therefore, a business cannot treat the annual income tax deadline as its only tax compliance deadline.
Throughout the year, businesses may have to manage:
A proper tax calendar can help businesses keep track of all of these obligations.
TDS creates another recurring tax compliance deadline. The IRD states that withholding tax returns generally need to be submitted within 25 days after the end of the month in which the relevant payment or withholding period occurred.
For businesses making regular payments to employees, contractors, service providers, landlords, or other parties, this means TDS compliance needs to be monitored throughout the year.
A company that focuses only on the annual income tax return can still accumulate compliance issues through missed monthly TDS obligations.
Tax compliance is also important when a business needs a tax clearance certificate. The IRD’s guidance indicates that taxpayers seeking tax clearance need to have submitted the relevant income and financial statements and paid the applicable tax obligations, along with meeting other requirements.
Tax clearance may become important when a business is participating in certain transactions, applying for financing, completing regulatory processes, or dealing with other situations where evidence of tax compliance is required.
Keeping annual returns and tax payments up to date can therefore have practical benefits beyond simply avoiding penalties.
Last-minute filing increases the risk of errors and missing documentation.
Annual filing does not replace installment tax obligations where installments are applicable.
Businesses sometimes focus on annual income tax while overlooking monthly withholding tax requirements.
Differences between accounting records, bank statements, VAT records, and tax returns can create questions during a tax review.
Taxpayers should rely on an official extension notice or approved extension process rather than assuming the deadline has changed.
Even businesses receiving a tax concession may still have filing and documentation requirements.
Before the FY 2082/83 income tax deadline, taxpayers should confirm:
Income tax compliance can become increasingly complicated as a business grows.
Companies may have multiple revenue streams, employees, fixed assets, branches, related-party transactions, investments, loans, and other financial arrangements that need to be considered when preparing their tax return.
GPR Chartered Accountants provides tax consulting and compliance support covering tax planning, income tax filing, VAT and TDS compliance, tax risk management, and related tax advisory services.
Professional support can help businesses prepare their financial and tax records before the deadline, identify potential issues, and maintain better documentation throughout the year.
Talk to GPR ExpertsFor businesses approaching the Income Tax Deadline in Nepal 2026, getting the records ready early can make the filing process more efficient and reduce the risk of avoidable penalties and interest.
The Income Tax Deadline in Nepal 2026 is an important date for individuals and businesses that are required to submit an annual income tax return.
For FY 2082/83, the income year ended at the end of Ashadh 2083, and the standard three-month filing period takes the annual return deadline to Ashoj 31, 2083, corresponding to 17 October 2026.
However, annual filing is only one part of tax compliance.
Businesses also need to monitor advance income tax installments, VAT returns, TDS filings, tax payments, accounting records, and other applicable obligations throughout the year.
The best approach is to treat tax compliance as an ongoing process rather than a once-a-year task. Preparing records early, checking the latest IRD notices, and getting professional assistance where necessary can help taxpayers meet their obligations and avoid unnecessary costs.
For FY 2082/83, the regular annual income tax return deadline is Ashoj 31, 2083, which corresponds to 17 October 2026. Nepal’s Income Tax Act generally requires annual income returns to be filed within three months after the end of the income year.
Nepal’s income year generally runs from Shrawan 1 through the end of Ashadh. For FY 2082/83, the year ended on Ashadh 32, 2083, corresponding to 16 July 2026.
Where installment tax applies, taxpayers generally make payments by the end of Poush, Chaitra, and Ashadh. The IRD describes these as the first, second, and third installments of estimated annual tax.
Late filing can result in fees, while late payment can result in interest on outstanding tax. The amount depends on the taxpayer and circumstances under the Income Tax Act.
An extension may be available through the applicable process or an official IRD notice. Taxpayers should not assume that the deadline has automatically been extended. They should check the latest IRD notice before relying on an alternative filing date.
No, extending the income tax return filing date in Nepal does not extend or change the tax payment amount due.
