E-Way Bill Validity: Calculation, Extension and Expiry

Quick answer: An e-way bill is valid for 1 day per 200 km or part of it for normal cargo, and 1 day per 20 km for over-dimensional cargo. It expires at midnight, not at the hour of generation, and can be extended only within 8 hours before or after expiry, up to 360 days in total.

An e-way bill does not last forever. Its validity depends on the distance and the type of cargo, and it expires at midnight, not at the hour it was generated. Getting this wrong means a truck on the road with an expired bill, which is treated much like having no bill at all.

The basic rule (Rule 138(10))

"Part thereof" means any fraction counts as a full block. 201 km is two blocks of 200 km, so 2 days.

Over-dimensional cargo is cargo carried as a single unit that exceeds the dimensional limits under the Motor Vehicles rules — large machinery, transformers, wind turbine blades and the like. You select ODC as the vehicle type in Part B.

Validity table for normal cargo

The maximum distance accepted in an e-way bill is 4,000 km, which gives 20 days.

Validity table for ODC

When the clock starts and ends

• Start: the time the e-way bill becomes valid for movement — that is, when Part B is first filled. If you fill Part A today and the transporter fills Part B tomorrow, validity counts from tomorrow's Part B entry.
• End of day one: midnight of the day following that start date.
• Each further day: another 24 hours, ending at midnight.

So the clock effectively gives you the rest of the start day for free — and "1 day" is not a fixed 24 hours. The hours you actually get depend on when you start.

Example (illustrative): a Vapi chemical trader moves goods 180 km (1 day of validity).

Working it out in three steps

1. Take the approximate distance on the e-way bill.
2. Divide by 200 (or 20 for ODC) and round up to get the number of days.
3. Day one ends at midnight after the start date; add the remaining days, each ending at the next midnight.

The portal shows the "valid upto" date and time on every e-way bill — always check it against your expected arrival.

Worked examples with timestamps

Example (illustrative) 1: short distance

A Rajkot pipe manufacturer generates an e-way bill with Part B on 14-10-2026 at 10:15 for 180 km.

• Validity: 1 day
• Valid till: 15-10-2026, 23:59

Example (illustrative) 2: late-night generation

Same route, but generated on 14-10-2026 at 23:40.

• Validity: 1 day
• Valid till: 15-10-2026, 23:59 — about 24 hours, not 48.

Generating just before midnight shortens the effective window. If dispatch is in the morning, generating after midnight gives an extra day.

Example (illustrative) 3: medium distance

A Morbi tile trader enters Part B on 13-10-2026 at 16:30 for 620 km.

• Validity: 4 days (601–800 km band)
• Valid till: 17-10-2026, 23:59

Example (illustrative) 4: Part B filled later

Part A generated 13-10-2026 at 18:00 with Transporter ID; transporter fills Part B 14-10-2026 at 07:45. Distance 350 km.

• Validity: 2 days, counted from Part B
• Valid till: 16-10-2026, 23:59

Example (illustrative) 5: ODC

A Vadodara fabricator moves a pressure vessel as ODC, Part B on 14-10-2026 at 09:00, distance 95 km.

• Validity: 5 days (81–100 km band)
• Valid till: 19-10-2026, 23:59

As normal cargo, the same 95 km would get only 1 day — which is why the vehicle type must be selected correctly.

Extending validity

When goods cannot reach the destination in time because of exceptional circumstances — an accident, a natural calamity, law and order trouble, trans-shipment delay, or another genuine reason you record on the portal — the validity can be extended.

Example (illustrative) 6: extension window

Bill valid till 16-10-2026, 23:59. The truck breaks down near Udaipur with 260 km to go.

• Extension window: 16-10-2026, about 16:00 to 17-10-2026, about 08:00.
• Remaining distance 260 km gives 2 more days, calculated from the time of extension.

If the window is missed, the extension option closes. Check the portal for the exact behaviour on your screen, and see What to Do When an E-Way Bill Expires for the next steps.

What happens when it expires

• An expired e-way bill cannot be used for movement.
• You cannot extend it once the 8-hour post-expiry window has passed.
• The goods in transit need a fresh e-way bill before moving further. The old one cannot be cancelled after 24 hours from generation, so keep records explaining why a second bill was generated.
• Goods moving on an expired bill can be detained and a penalty levied under Section 129.

Validity for different modes and situations

Common mistakes

• Counting hours instead of calendar midnights ("1 day = 24 hours").
• Rounding down: 201 km is 2 days, not 1, and 410 km is 3 days, not 2.
• Assuming validity starts at Part A generation when Part B was filled later (it starts later, which is in your favour).
• Generating the bill the night before when the truck leaves the next evening — it eats into validity.
• Missing the 8-hour extension window over a weekend; set a reminder for long trips.
• Entering a much shorter distance — a lower distance means fewer days, and the portal will flag distances that do not match PIN codes. Enter the realistic route distance (up to 10% above the PIN-to-PIN figure). More in How Distance Affects E-Way Bill Validity.
• Not selecting ODC when it applies, or selecting it when it does not. ODC has a specific definition.

Tips

• Generate in the morning of dispatch, not late the previous night.
• Ask the transporter to message you the moment a delay looks likely.
• For long routes, note the expiry on the LR so the driver knows.
• Check distance and expected travel time together when you prepare the invoice. The free distance calculator gives an estimate; the E-Way Easy app also calculates distance from PIN codes as part of the invoice flow and lets you edit it, so the validity implication is visible before the bill is finalised.

Official sources

Validity and extension are governed by Rule 138(10) and portal functionality. Check the current position on the e-way bill portal and in the user documentation, and read the rule on CBIC GST.