
Every citizen of Bangladesh has a legal responsibility to pay tax if their annual income crosses the taxable limit set by the National Board of Revenue (NBR). But many people still get confused about the process of how to submit tax in Bangladesh.
In recent years, the government has introduced an online e-Return system that makes tax submission easier, faster, and more transparent. In this article, we will give you a complete guide on how to file your tax return step by step, what documents you need, common mistakes to avoid, and why consulting a tax lawyer in Bangladesh can save you from trouble.
Why Submitting Tax is Important in Bangladesh?
Legal obligation: Every eligible taxpayer must submit their income tax return.
Financial benefits: Submitting tax on time helps you get loans, visas, and government approvals easily.
Avoid penalties: Not filing tax can result in fines, penalties, and legal actions.
Contribution to development: Taxes are the main source of government revenue for infrastructure, education, and healthcare.
Who Needs to Submit Tax in Bangladesh?
According to the Income Tax Ordinance of Bangladesh, you need to submit tax if:
Your annual income crosses the taxable threshold (as declared by NBR each year).
You are a businessman, professional, or salaried person with taxable income.
You own a motor vehicle, house property, or business trade license.
You travel abroad, maintain a credit card, or invest in savings and securities.
In simple words, if your income is taxable or you meet the above conditions, you must file tax returns in Bangladesh.
Step by Step Guide – How to Submit Tax in Bangladesh

Step 1 – Obtain Your TIN (Tax Identification Number)
Visit the NBR e-TIN Portal → https://etaxnbr.gov.bd
Apply online using your National ID (NID)
Download your e-TIN Certificate instantly
Without a TIN, you cannot file your tax return
Step 2 – Register on NBR e-Return System
Go to the NBR e-Return portal
Create an account with your TIN and NID
Access your online dashboard for tax filing
Step 3 – Collect Required Documents
To avoid errors, prepare these documents before filing:
National ID (NID)
e-TIN Certificate
Salary Certificate or Business Income Statement
Bank Statements for the year
House Rent Agreement (if applicable)
Investment documents (DPS, FDR, Stocks, Bonds)
Previous year’s Tax Return (if submitted earlier)
Step 4 – Calculate Your Income and Expenses
List your annual income: salary, business, rental, investments
Deduct allowable expenses (house rent, medical, education)
Add eligible tax rebates from investments or savings
This ensures you pay tax only on your net taxable income
Step 5 – Fill Out the e-Return Form
Login to the e-Return portal with your credentials
Fill in income, expenses, rebates, and deductions
The system automatically calculates your payable tax
Step 6 – Pay Your Tax (If Applicable)
If you have payable tax after rebates:
Pay online through Sonali Bank e-Challan
Or submit via any authorized bank branch
Keep your payment receipt for proof
Step 7 – Submit and Save Acknowledgement
After completing the form, click Submit
Download the Acknowledgement Receipt
Keep a digital and printed copy as evidence
Common Mistakes People Make While Submitting Tax
Submitting incorrect income details
Forgetting to claim tax rebates
Late submission (after deadline)
Not keeping acknowledgement receipts
Miscalculating tax due to lack of professional advice
To avoid these mistakes, it’s always better to consult a professional tax lawyer in Bangladesh.

Benefits of Consulting a Tax Lawyer in Bangladesh
Ensure accurate tax calculation
Avoid unnecessary fines and penalties
Get legal advice on tax disputes, VAT, and customs issues
Professional representation before the NBR or Tax Tribunal
Corporate tax planning for businesses and organizations
At Rashel’s Law Desk, we provide expert legal services for:
Income Tax Filing
Corporate Tax & VAT Advisory
Customs and Transfer Pricing
Tax Litigation & Appeals
FAQs on How to Submit Tax in Bangladesh
Yes, through the NBR e-Return portal at https://etaxnbr.gov.bd.
You may face penalties, fines, and even legal consequences.
Not always. But if you have multiple income sources, corporate tax, or customs issues, hiring a tax lawyer is highly recommended.
Usually by 30th November each year, but NBR often extends the deadline.
NID, TIN, income proof (salary certificate, business records), bank statements, investment documents, and house rent agreement (if applicable).

Now you know exactly how to submit tax in Bangladesh step by step. The NBR e-Return system has made the process much simpler, but accuracy is key. Even a small mistake can cause big penalties.
If you are confused or have a complex case, don’t take risks. Get help from professional Tax Lawyers in Dhaka to ensure smooth, error-free tax submission.