Professional Tax in Bihar 2026-27: Annual Payment, Simple Slabs & November 15 Deadline
Quick Facts at a Glance
Professional Tax Slabs: Bihar Annual System
Bihar uses a simple four-slab annual income model with a single November 15 deadline. Unlike other states with monthly deductions, Bihar has no payslip deductions—payment is annual and direct.
Salaried Employee PT Slabs (2026-27)
| Annual Income Range | Annual PT Due | Payment Frequency | Deadline |
|---|---|---|---|
| ≤₹3,00,000 | Nil | No payment | — |
| ₹3,00,001–₹5,00,000 | ₹1,000 | Annual (single payment) | November 15 |
| ₹5,00,001–₹10,00,000 | ₹2,000 | Annual (single payment) | November 15 |
| Above ₹10,00,000 | ₹2,500 | Annual (single payment) | November 15 |
Dealer/Business Turnover Slabs (2026-27)
| Annual Turnover | Annual PT Due | Payment Frequency | Deadline |
|---|---|---|---|
| <₹10,00,000 | Nil | No payment | — |
| ₹10,00,001–₹20,00,000 | ₹1,000 | Annual | November 15 |
| ₹20,00,001–₹40,00,000 | ₹2,000 | Annual | November 15 |
| >₹40,00,000 | ₹2,500 | Annual | November 15 |
Transport Vehicle PT (2026-27)
| Vehicle Type | Annual PT Due | Payment Frequency | Deadline |
|---|---|---|---|
| Taxi (Commercial) | ₹1,000/year | Annual | November 15 |
| Truck | ₹1,500/year | Annual | November 15 |
| Bus | ₹1,500/year | Annual | November 15 |
Company PT (Flat Rate)
| Entity Type | Annual PT Due | Payment Frequency | Deadline |
|---|---|---|---|
| All Companies (Pvt/Ltd/Corp) | ₹2,500/year | Annual | November 15 |
Bihar vs Other States: Simplicity Comparison
| Feature | Bihar (2026-27) | Maharashtra | Karnataka | Tamil Nadu |
|---|---|---|---|---|
| Payment Frequency | Annual (Nov 15) | Monthly + Feb adj | Monthly | Monthly |
| Max Annual PT | ₹2,500 | ₹2,500 | ₹2,500 | ₹2,500 |
| Late Payment Penalty | ₹100/month (max ₹500) | 2% per month | 3% per month | 2% per month |
| Payslip Deduction | No | Yes | Yes | Yes |
| Vehicle PT | Yes (₹1,000-₹1,500) | No | No | No |
| Minimum Wage Overlap | Zero (all <₹3L) | None | Partial | Partial |
Annual to Monthly PT Conversion (Informational Only)
Understanding Annual PT in Monthly Terms
Since Bihar PT is annual only (not deducted from payslip), conversion to monthly is for informational understanding only:
Annual Income ₹3,00,001–₹5,00,000: ₹1,000 annual = ₹83.33/month equivalent. But paid once on November 15.
Annual Income ₹5,00,001–₹10,00,000: ₹2,000 annual = ₹166.67/month equivalent. But paid once on November 15.
Annual Income >₹10,00,000: ₹2,500 annual = ₹208.33/month equivalent. But paid once on November 15.
Key Advantage: No monthly payslip deductions. Employee receives full take-home all 12 months. PT is settled once in November. This improves monthly cash flow for employees compared to monthly-deduction states like Maharashtra/Karnataka.
Who Pays Professional Tax in Bihar
Professional tax applies to salaried employees, business owners, vehicle operators, and companies. Clear exemption criteria remove 100% of minimum wage workers.
Categories of PT Payers
Salaried Employees
- Private sector employees with annual salary >₹3 lakh
- Government employees earning above exemption limit
- Contract employees with salary income
- Executives, managers, supervisors
- Clerical and administrative staff (if >₹3L income)
Business/Dealer Categories
- Traders with annual turnover >₹10 lakh
- Retailers, wholesalers
- Contractors and sub-contractors
- Self-employed professionals (if earning >₹3L)
- Companies (all sizes, flat ₹2,500)
Transport Vehicle Operators
- Taxi operators (registered commercial)
- Truck owners/operators
- Bus owners/operators
- Registration required at transport office
Professional Tax Exemptions
| Exemption Category | Criteria | Documentation Required | Duration |
|---|---|---|---|
| Low Income | Annual income ≤₹3,00,000 | Salary certificate/IT return | Until income exceeds ₹3L |
| Low Turnover (Business) | Annual turnover <₹10,00,000 | GST/Business registration proof | Until turnover exceeds ₹10L |
| Disability (40%+) | 40% or more physical/mental disability | Disability certificate from CWDH | As per certificate validity |
| Armed Forces | Active service military personnel | Service ID/Discharge certificate | During service/1 year post-retirement |
Bihar Annual Payment System: November 15 Single Deadline
Bihar is unique in India with a single annual PT deadline. Unlike monthly systems in other states, all PT is due once by November 15 of every fiscal year.
How the Annual System Works
Employer Approach (Salaried Employees)
Step 1 (April-October): Employee receives full salary monthly. No PT deduction from payslip. PT is not deducted at all during April-October. Employee receives 100% of take-home across 7 months.
Step 2 (By November 15): Employer calculates total PT liability based on annual salary. If annual salary is ₹5.5L, PT due = ₹2,000. Employer deposits ₹2,000 to Bihar Commercial Tax portal by November 15. PT certificate is issued post-deposit.
Step 3 (Post-Nov 15): PT reconciliation with salary records. PT is shown as a deduction in the annual IT reconciliation but not on monthly payslips. Employee can claim deduction under Section 16(iii) for income tax purposes (₹2,500 max).
Self-Employed/Dealer Approach (Business Income)
Step 1 (April-Oct): Business operates normally. No PT payments required during the year if annual turnover can be estimated.
Step 2 (By November 15): Self-employed calculates annual turnover/income. If turnover is ₹25L, PT due = ₹2,500. Individual pays directly to Bihar Commercial Tax Department via online portal or bank deposit.
Step 3: Maintain receipt of payment (digital receipt from portal is sufficient). No monthly reconciliation required. Annual return filed by March 31 (if income tax applicable).
Vehicle Operator Approach (Transport PT)
Registration: Transport vehicle registered with State Transport Authority. Registration certificate shows PT liability (Taxi ₹1,000 or Truck/Bus ₹1,500).
Payment by Nov 15: Vehicle owner pays annual PT to Bihar Commercial Tax office or online portal. Amount is fixed (no calculation based on income).
Proof: Maintain PT receipt. This may be linked with vehicle tax/registration renewal.
PT Registration Process
New Employer Registration
- Employer registers establishment with Bihar Commercial Tax Department within 30 days of starting operations.
- Unique employer PT registration number (PTID) is issued.
- Use this ID for all PT payments on the online portal.
- No monthly submissions required (only annual payment).
Self-Employed/Individual Registration
- Individuals with business income >₹10L (dealers) or self-employed professionals register with Bihar Commercial Tax office.
- Requires: PAN, Business registration (if applicable), Address proof.
- Online registration available at biharcommercialtax.gov.in.
- No certificate issued; payment receipt is proof.
Professional Tax Penalties: India's Lowest & Capped
Bihar enforces the lowest professional tax penalties in India. Late payment incurs ₹100/month with a maximum annual cap of ₹500, making compliance affordable even for defaulters.
Penalty Structure & Rates
| Violation Type | Penalty Rate | How It Accrues | Cap |
|---|---|---|---|
| Late Payment (After Nov 15) | ₹100/month | Accumulates monthly until payment | ₹500/year (maximum) |
| Non-Payment (Zero PT filed) | ₹10/day | Accumulates daily if no payment record | ₹500/year equivalent |
| Non-Registration (Employer) | ₹100/month | Employer fails to register by Dec 31 | ₹500/year |
| Wrong Information | Varies | False income/turnover claimed | Up to ₹500 + PT differential |
Bihar Penalties vs Other States (Comparison)
| State | Late Payment Penalty | Maximum Annual Cap | Competitiveness |
|---|---|---|---|
| Bihar | ₹100/month | ₹500/year | LOWEST in India |
| Maharashtra | 2% of PT amount/month | No cap | Higher |
| Karnataka | 3% of PT amount/month | No cap | Highest |
| Tamil Nadu | 2% of PT amount/month | No cap | Higher |
Penalty Calculation Examples
Example 1: Employee with ₹5L Income
Annual income: ₹5 lakh (salary ≤ Nov 15 deadline). PT due: ₹2,000. Payment made on December 20 (35 days late). Penalty: 35 days = 1+ month = ₹100 late payment penalty (capped at ₹500/year). Total cost: ₹2,000 PT + ₹100 penalty = ₹2,100.
Example 2: Business Turnover ₹30L
Annual turnover: ₹30 lakh. PT due: ₹2,000. Payment made February next fiscal (3+ months late). Penalty: 3 months × ₹100 = ₹300. But capped at ₹500/year, so actual penalty = ₹300. Total cost: ₹2,000 PT + ₹300 penalty = ₹2,300.
Example 3: Employer Non-Registration
Employer establishes January but registers only April (90 days late). Penalty: ₹100/month × 3 months = ₹300. This is for non-registration, separate from PT payment penalty. Total liability: ₹300 penalty + overdue PT.
Transport Vehicle Professional Tax (Unique to Bihar)
Bihar is the only state in India that charges professional tax on transport vehicles. Taxi, Truck, and Bus operators must pay annual PT directly to the Commercial Tax office.
Transport Vehicle PT Breakdown
| Vehicle Type | Annual PT Rate | Payment Due Date | Applicability |
|---|---|---|---|
| Taxi (Commercial) | ₹1,000/year | November 15 | Registered taxi with state transport |
| Truck | ₹1,500/year | November 15 | Commercial truck registration |
| Bus | ₹1,500/year | November 15 | Public transport or commercial bus |
| Personal Vehicles | Nil | — | Private cars/motorcycles exempt |
Vehicle PT Registration & Payment Process
Registration Steps
- Step 1: Vehicle must be registered with Bihar State Transport Authority as commercial/public transport.
- Step 2: Vehicle owner registers with Bihar Commercial Tax Department (online portal: biharcommercialtax.gov.in).
- Step 3: PT ID assigned. Annual PT liability linked to registration number.
- Step 4: By November 15, owner pays annual PT amount online or via bank.
- Step 5: Receipt issued. PT certificate linked with vehicle registration.
Payment Proof & Compliance
- Online payment receipt from biharcommercialtax.gov.in is sufficient proof.
- PT status linked with vehicle registration renewal (optional integration).
- No separate PT certificate; online receipt is valid documentation.
- Maintain receipts for 5 years (as per tax record requirements).
Unique Feature: Vehicle PT Only in Bihar
Why Only Bihar?
Bihar includes transport vehicle PT as a way to contribute to road infrastructure and state revenue. No other state in India levies professional tax on vehicles. This is a unique feature of Bihar PT law since 1975. While the amount is modest (₹1,000-₹1,500/year), it applies to all registered commercial vehicles, creating a broad base of tax payers.
Interactive Professional Tax Calculator
Calculate your exact annual professional tax liability in Bihar based on annual income, business turnover, or vehicle type. Single November 15 deadline applies to all.
Select Income Type & Amount
Minimum Wage Workers & Professional Tax: Zero Overlap
Bihar minimum wage workers are completely exempt from professional tax. All five minimum wage categories have annual salaries below the ₹3 lakh exemption threshold.
MW Categories in Bihar (2026-27)
| MW Category | Estimated Monthly Rate | Estimated Annual Income | PT Status | Rationale |
|---|---|---|---|---|
| Unskilled | ₹6,700–₹7,000 | ₹80,400–₹84,000 | EXEMPT | Below ₹3L threshold |
| Semi-Skilled | ₹7,500–₹8,000 | ₹90,000–₹96,000 | EXEMPT | Below ₹3L threshold |
| Skilled | ₹10,000–₹12,000 | ₹1,20,000–₹1,44,000 | EXEMPT | Below ₹3L threshold |
| Highly Skilled | ₹15,000–₹18,000 | ₹1,80,000–₹2,16,000 | EXEMPT | Below ₹3L threshold |
| Graduate/Technical | ₹20,000–₹25,000 | ₹2,40,000–₹3,00,000 | EXEMPT/Marginal | At or below ₹3L threshold |
Why Zero MW Workers Pay PT
Exemption Mechanism
Bihar's ₹3 lakh annual income threshold is the FIRST bracket for PT. All minimum wage workers, even at the highest skilled category, earn below or at ₹3L. Therefore, 100% of MW workers are exempt from PT.
In states like Maharashtra, MW workers may pay PT because Maharashtra has lower exemption thresholds (males ≤₹7,500/month = ₹90,000/year; females ≤₹25,000/month = ₹3,00,000/year). Bihar's higher ₹3L threshold ensures zero MW overlap.
Migration & PT: Bihar Workers in Other States
Bihar workers who migrate to other states for employment face significant PT differentials. A worker earning ₹0 in Bihar (exempt) may owe ₹2,500 in Mumbai or Bengaluru due to higher rates and frequent payments.
Migration Scenarios
Scenario 1: Worker Stays in Bihar
Annual Salary: ₹5 lakh
PT Due: ₹2,000 (once on November 15). Monthly take-home: Full salary (no deductions). Total annual cost: ₹2,000.
Scenario 2: Worker Migrates to Mumbai (Maharashtra)
Annual Salary: ₹5 lakh (₹41,667/month)
Mumbai PT applicable: ₹200/month (all 12 months) = ₹2,400/year. Monthly payslip deduction: ₹200 every month. Total annual cost: ₹2,400 (same as Bihar, but MONTHLY deductions impact cash flow).
Scenario 3: Worker Migrates to Bengaluru (Karnataka)
Annual Salary: ₹5 lakh (₹41,667/month)
Bengaluru PT applicable: ₹208/month (3% of salary for this bracket in some years) or flat ₹2,000. Monthly payslip deduction. Penalty for late: 3%/month (higher than Bihar). Total annual cost: ₹2,000–₹2,500 + risk of 3% penalties.
Dual Migration (Mid-Year Changes)
Example: Jan-Jun in Bihar, Jul-Dec in Mumbai
Jan-Jun (Bihar): ₹2.5L salary → No PT (below ₹3L annual threshold for those 6 months if part-year)
Jul-Dec (Mumbai): ₹2.5L salary → Maharashtra PT ₹200/month × 6 months = ₹1,200
Total Annual PT Liability: ₹1,200
Important: Dual PT can occur if earning in both states. Must file returns in both states. PT paid in one state may be credited in another (varies by state policy). Consult a tax consultant for dual residency scenarios.
Frequently Asked Questions
Related Resources
Official Government Resources
- Bihar Commercial Tax Department Official Portal - PT registration, payment, notifications, and portal access
- Bihar State Revenue Department - PT rules, acts, and amendments
- Ministry of Labour and Employment - National minimum wage and PT policy guidelines
Professional Tax Tools & Services
- SalaryBox Payroll - Automated Bihar PT calculation, annual payment tracking, compliance
- Chartered Accountant Networks - Professional advice on PT, IT deductions, and multi-state scenarios
- Tax Consultant Firms - Specialized guidance for businesses and self-employed in Bihar
Sources & References
| Source | Details |
|---|---|
| Bihar Professional Tax Act, 1975 | Primary legislation governing PT in Bihar state, including annual payment system and slabs |
| Bihar Professional Tax Rules, 1976 (Amended 2024) | Rules for registration, rates, penalties, exemptions, and payment procedures |
| Income Tax Act, 1961 - Section 16(iii) | PT deduction from gross salary (₹2,500 limit) applicable in both regimes |
| Bihar State Commercial Tax Department Notification 2026 | Latest PT rates, slabs, vehicle PT, and November 15 deadline for FY 2026-27 |
| Bihar Minimum Wage Notification 2026 | Current minimum wage rates for all categories (unskilled to graduate) |
| SalaryBox Academy Database | Consolidated PT rates, calculator data, state comparison, compliance timelines (updated July 2026) |
Disclaimer
This information is for educational purposes and current as of July 2026. Professional tax rates and regulations may be revised by the Bihar State Commercial Tax Department without notice. Always verify with the official Bihar Commercial Tax website (biharcommercialtax.gov.in) or your statutory authority before implementation. PT is subject to state-specific rules, income classification, exemption criteria, and individual employment circumstances. This guide does not constitute legal or financial advice. For compliance-specific questions, disputes, or professional guidance, consult a qualified tax consultant, accountant, or the Bihar State Commercial Tax Department directly.