Quick Answer: VGM SOLAS compliance for a shipping container in Canada requires the shipper to certify the verified gross mass before stowage, using Method 1 (weigh the packed box) or Method 2 (cargo + tare). Transport Canada TP 15330 governs the procedure; tolerance is 5% or 500 kg, whichever is smaller. Records held three months. Brantford-based since 1995, family-operated, 4.9-star verified (124+ Google reviews). 1-3 day delivery Ontario-wide.
In This Guide
- What Is VGM Under SOLAS?
- Why Did Canada Adopt the VGM Rule So Quickly?
- How Does Method 1 Work, Weighing the Whole Packed Box?
- How Does Method 2 Work, Cargo Plus Tare?
- How Much VGM Tolerance Does SOLAS Allow?
- What Paperwork and Records Does VGM Require?
- What Are the VGM Realities at Canadian Ports?
- What Does VGM Mean for a Brantford-Loaded Container?
- What Mistakes Get Containers Refused?
- Who Helps a First-Time Shipper Get VGM Right?
- Frequently Asked Questions
Reading time: about 14 minutes.
If you’re a Canadian exporter packing a shipping container that will eventually sit on an ocean vessel, your name is on the line for one number: the verified gross mass. That number is what keeps a container ship balanced. Get it wrong and the box gets refused at the gate. Get it sloppy and you build a paperwork trail that can follow your company for years. This is the load-verification side of the export business that most first-time shippers don’t see coming, and it sits inside the load-verification compliance walkthrough we publish for Ontario operators.
Most of our Brantford yard sales are domestic. A farmer in Norfolk County, a contractor in Halton, a Six Nations storage buyer, a Sudbury mining crew, an Ottawa renovator. The box stays on land. But every so often a buyer reaches out who’s loading the container for an actual ocean crossing, and the rules change completely. SOLAS Chapter VI Regulation 2, the verified gross mass amendment that came into force on July 1, 2016, is what governs the rest of that transaction. This piece walks through what Canadian shippers actually need to know, the way Paul explains it when someone calls and asks if their 40-foot one-trip is ready to go to Rotterdam.
Christian LeBlanc, second-generation operator: “When an export buyer calls, the first thing I tell them is that VGM is their signature, not the forwarder’s. We sell them a sound box with a clean tare stamp on the door, and from there the verified gross mass is something they certify. People are surprised how simple it is once you separate our job from theirs.”
What Is VGM Under SOLAS?
Verified gross mass (VGM) is the total weight of a packed shipping container, including the cargo, all dunnage, every securing strap, and the empty steel box itself. Under SOLAS Chapter VI Regulation 2, the named shipper must certify that weight in writing before the container is loaded onto an ocean vessel. No certificate means no load.
VGM stands for verified gross mass. It is the total weight of the packed container, which includes the cargo, all the dunnage, every strap, every block, every pallet, and the empty steel of the box itself. The shipper, meaning the named party on the bill of lading, has to certify that number in writing before the container is allowed on a vessel. No certificate, no load. That’s the entire rule in one sentence.
The amendment was added to SOLAS, the International Convention for the Safety of Life at Sea, in May 2014 by the International Maritime Organization. The version that became enforceable on every flag-state vessel worldwide took effect on July 1, 2016. Before that date, container weights were declared by the shipper but rarely verified. Stacks of containers on deck were sometimes loaded with weights that didn’t match the manifest. Ships took on too much weight in the wrong places, or not enough. Cargo shifted. A few high-profile vessel accidents and a parliamentary report in the United Kingdom were what finally pushed the IMO to make verification mandatory.
The Two Methods Defined
Method 1: the shipper weighs the entire packed and sealed container on calibrated equipment. Truck scale, weighbridge, certified platform. One number, one weight ticket.
Method 2: the shipper weighs every individual item that goes into the container, including dunnage and securing material, then adds the empty-container tare mass. Sum total equals VGM.
Canada accepts both. Transport Canada TP 15330 is the procedural document that spells out how each method works inside Canadian jurisdiction.
Why Did Canada Adopt the VGM Rule So Quickly?
Canada adopted the SOLAS VGM rule fast because it didn’t wait for the international debate to settle. Transport Canada moved on the SOLAS amendment through Ship Safety Bulletin 04/2016 and embedded the procedure in the Cargo, Fumigation and Tackle Regulations. Section 104(1) of the CFTR requires every shipper of cargo loaded in Canadian waters to comply with SOLAS Chapter VI Regulation 2. There’s no grace period for Canadian exporters. The country’s marine-safety framework runs on SOLAS as written, and Transport Canada is the enforcement authority. VGM is one piece of a wider picture, and our overview of where shipping-container rules apply in Canada shows how the export side connects to the domestic side.
The Canadian context matters for two reasons. First, the country’s three largest container ports, Vancouver, Montreal, and Halifax, all sit on busy ocean lanes with stacked vessel traffic and active terminal congestion. A miscalculated VGM in Halifax has cascade effects across the North Atlantic loop. Second, much of Canada’s container export volume moves through rail-fed inland points, including the CN and CPKC intermodal terminals across Ontario and Quebec. By the time a Brantford-packed box reaches Vancouver via rail, the original weight ticket has to still match. Transport Canada built the procedure with that intermodal reality in mind.
Ontario’s Quiet Role in the Export Chain
Most of the boxes that Van Blanc has sold to export-bound shippers over the years are packed in Ontario yards, then trucked or railed to a port. Brantford sits roughly an hour and a half from the CP Vaughan intermodal yard and about two hours from Toronto’s Lakeshore terminals. The container leaves our four Brantford yards on a tilt deck or chassis, and the shipper takes over the load-verification responsibility from the moment the cargo goes inside.
How Does Method 1 Work, Weighing the Whole Packed Box?
Method 1 verifies VGM by weighing the whole packed box, and it is the simpler path on paper. You pack the container. You seal it. You take it to a certified scale. The scale operator weighs the full unit, hands you a printed ticket with the gross weight, and that becomes your verified gross mass. The number gets signed off by an authorized representative of the shipper and transmitted to the ocean carrier and the terminal before the cut-off.
What people miss with Method 1 is the equipment requirement. The scale used has to be certified under the Weights and Measures Act, or it has to meet a calibration standard equivalent to the International Organization of Legal Metrology, often called OIML. A farm scale that hasn’t been verified by Measurement Canada in three years won’t qualify. A truck stop scale that’s calibrated quarterly probably will. The shipper has to know the certification status of whatever scale they use. The ticket itself usually carries a certification number, but if the carrier or the terminal asks for proof of calibration, the shipper has to produce it.
Practical reality: most exporters who use Method 1 either own a certified truck scale on site, or they have a relationship with a public truck weigh station that issues OIML-compliant tickets. Industrial parks across Ontario, including a few in the Hamilton and Brantford areas, have these scales available. If you want help finding one nearby, our rundown of where to weigh a loaded box near Brantford covers the public scales most exporters use. A single public weigh-in is an inexpensive per-ticket charge, and frequent shippers usually fold it into an annual account, so the real cost driver is how often you weigh rather than any one ticket.
How Does Method 2 Work, Cargo Plus Tare?
Method 2 builds VGM from cargo plus tare, item by item, and it is the path for shippers who don’t have easy access to a certified container-scale operation. The principle is straightforward. You weigh every item before it goes into the box. Pallets, packages, drums, bags, racks, machinery, dunnage, lashing straps, the whole inventory. You add those individual weights together. Then you add the container’s tare mass, which is stamped on the door of every shipping container in kilograms. The sum equals VGM.
The tricky parts are accuracy and documentation. Each item needs a weight that’s verifiable, either from the manufacturer’s spec sheet, a recent scale ticket, or a calculation backed by density data. The dunnage adds up faster than people expect. A 40-foot container with heavy lashing can easily carry 200 to 400 kilograms of dunnage and securing material. A first-time Method 2 shipper who forgets the lashing weight is exactly the shipper who lands outside the 5% tolerance window when the terminal re-weighs the box.
The Method-Choice Decision in Plain Terms
If your cargo is a single homogeneous shipment, like a packed container of finished cabinetry or a box of palletized canned goods, Method 1 is usually faster and more accurate. Drive to the scale, get the ticket, done.
If your cargo is mixed, irregular, or made up of items that already came with verified weight slips from the manufacturer, Method 2 saves the scale trip and produces a defensible paper trail. Just be ruthless about counting every strap and block.
| Factor | Method 1 (weigh packed box) | Method 2 (cargo plus tare) |
|---|---|---|
| What gets weighed | The whole sealed container in one pass | Each item, plus dunnage, plus the door-stamped tare |
| Equipment needed | A certified truck scale or weighbridge | Item-level scale tickets or verified spec weights |
| Best-fit cargo | Single, homogeneous shipments | Mixed, irregular, or pre-weighed loads |
| Main accuracy risk | Using an uncertified or off-cycle scale | Forgetting to count straps, blocks, and lashing |
| Paper trail | One weight ticket and a certification number | A line-item manifest summed to a single VGM |
| Tare relevance | Included automatically in the gross reading | Added manually from the container door plate |
How Much VGM Tolerance Does SOLAS Allow?
The VGM tolerance under SOLAS exists because Transport Canada and the IMO both accept that no weighing process is perfect. The tolerance built into SOLAS VI/2 is 5% of the declared VGM, or 500 kilograms, whichever number is smaller. So if you declare a VGM of 25,000 kilograms, your 5% tolerance is 1,250 kilograms, which means the cap is 500. If you declare 8,000 kilograms, your 5% tolerance is 400, which means 400 is the cap. The smaller of the two always wins.
That window is enforcement guidance, not a free pass. Terminals reserve the right to re-weigh any container that looks suspicious, and the re-weigh ticket is the official check. If a box comes in within the tolerance, the shipment proceeds. If it falls outside, the container can be refused, set aside, or held until a corrected VGM is filed. Every minute a container sits idle on a terminal apron costs the shipper, the freight forwarder, or the carrier money, and someone has to pay it.
Paul has watched the rule mature since 2016. “The 5% window felt generous in the first year, when shippers were still figuring out the workflow. Nine years in, terminals expect tighter numbers. The Halifax and Vancouver operators don’t have patience for repeat offenders, and a shipper with three over-tolerance violations starts getting flagged on every booking.”
Paul LeBlanc, owner: “We’ve sold one-trip 40-foot bins to about a dozen export shippers over the last few years. The good ones treat VGM as a one-page checklist before they pack. The ones who get into trouble are the first-timers who think the freight forwarder handles it. The forwarder doesn’t. The shipper does. That’s in the regulation, plain language.”
What Paperwork and Records Does VGM Require?
The VGM paperwork starts with the document itself: SOLAS VI/2 requires a signed shipping document that carries the VGM number, the method used, the name of the person responsible for the verification, and the date. The document can be electronic. In Canada most shippers use an EDI message that flows from the shipper’s logistics platform to the freight forwarder, then to the ocean carrier, then to the terminal. The format is standardized across the major lines, including Maersk, MSC, CMA CGM, Hapag-Lloyd, and Ocean Network Express.
The shipper has to keep a copy of the document and any supporting weight tickets for a minimum of three months. That’s the record-retention floor under the IMO guidance and the Transport Canada procedure. In practice most exporters keep VGM records as long as they keep their export documentation, which for tax and customs purposes usually means six or seven years. The three months is the floor, not the ceiling.
The signatory has to be the shipper or someone authorized in writing by the shipper. A freight forwarder cannot sign on behalf of the shipper unless there’s a formal authorization in place. A 3PL warehouse operator who packs the box can sign if the shipper has delegated VGM authority to them in writing. The CFTR is explicit about this. Verbal hand-offs don’t survive a Transport Canada inspection.
What Are the VGM Realities at Canadian Ports?
The VGM realities at Canadian ports differ by gateway, because each Canadian port has its own VGM cut-off rhythm, and the shipper needs to know which one applies to their booking. Halifax handles the largest North Atlantic transhipment volume on the east coast, with VGM filed through the terminal operator’s online portal and a hard cut-off tied to the vessel’s gate close. Vancouver and Prince Rupert on the west coast both run Pacific-loop services and tend to have earlier cut-offs because of the longer transit prep. Montreal handles container traffic with a freshwater corridor consideration and works with a network of intermodal feeders.
For rail-fed exports, the VGM has to be filed before noon local time on the day of the cargo cut-off. That’s a CN and CPKC operating standard, and it applies whether the container originated in Brantford, Burlington, or anywhere else on the rail network that feeds the port. Late gates do exist for VGM-confirmed boxes, but the approval is discretionary and the shipper has to make the call early.
Cut-Off Times to Confirm With Your Carrier
- Halifax (Atlantic Canada gateway): VGM through the terminal portal, typically 24 to 48 hours before vessel ETA. Confirm the exact window with the carrier on every booking.
- Montreal (St. Lawrence corridor): Combined truck and rail volumes; VGM filing is generally tied to the cargo cut-off, often 48 to 72 hours before vessel arrival for export bookings.
- Vancouver and Prince Rupert (Pacific gateway): Earlier cut-offs reflect Pacific transit prep; VGM commonly required 48 to 96 hours before vessel ETA depending on the line.
- Rail-fed bookings (CN, CPKC): VGM has to be submitted before 12:00 noon local time on the day of cargo cut-off for late-gate approval consideration.
What Does VGM Mean for a Brantford-Loaded Container?
For a Brantford-loaded container headed for ocean export, VGM means following a clear workflow that starts in our yard. If you buy a container from our Brantford yard with the intention of using it for an ocean export, here’s the workflow we walk you through. First, confirm the container’s tare mass. Every box leaving our yard has the tare stamped on the door in kilograms, exactly where the original manufacturer plate is mounted. For a 20-foot standard dry that number is usually in the 2,200 to 2,400 kilogram range. For a 40-foot standard dry, about 3,700 to 3,900 kilograms. For a 40-foot high-cube, closer to 3,900 to 4,100. One-trip containers run slightly heavier than well-aged used boxes because the factory paint and floor system haven’t worn down. For export work, many buyers start with a near-new box that hasn’t worn down yet, since the door plate and floor are still in factory condition. We can verify the exact tare on any specific bin before you take delivery.
Second, plan the pack. If you’re going Method 2, build the cargo manifest with weights for every line item. If you’re going Method 1, identify the certified scale that will weigh the packed unit and confirm its calibration status in advance. Third, line up the freight forwarder relationship before the container leaves Brantford. The forwarder will need the VGM in their system before they can book the ocean leg.
Fourth, file the VGM through whatever electronic channel your forwarder uses. Maersk’s MyDocuments portal, MSC’s Customer Center, CMA CGM’s e-Business, INTTRA for multi-carrier shippers. The document gets signed, dated, and transmitted. Keep the paper copy for at least three months, longer if your accountant or customs broker wants the full export file. None of this is complicated once you’ve done it twice. The mistakes happen on the first run.
What Mistakes Get Containers Refused?
The VGM mistakes that get containers refused are predictable. From conversations with export shippers, freight forwarders, and the occasional reefer customer who buys for international cold-chain, the recurring VGM mistakes cluster into five patterns. Each one is preventable with a one-page checklist.
- Forgetting dunnage and lashing in Method 2. A first-time shipper weighs cargo only, omits straps and corner blocks, and lands 250 to 400 kilograms light. The terminal re-weigh catches it. The shipment gets refused.
- Using an uncertified scale for Method 1. Farm scales, old industrial scales, and untracked truck stop scales sometimes fail the Weights and Measures Act standard. The ticket isn’t valid. Document the certification before the weigh-in.
- Trusting a freight forwarder to file VGM without written delegation. The forwarder can transmit the number but cannot legally certify it on behalf of the shipper without a formal authorization. Get the authorization in writing.
- Missing the cut-off window. A VGM filed an hour late can mean the container rolls to the next vessel, which can mean two weeks of demurrage. The cut-off is a hard line; treat it as such.
- Reusing an old tare. A container’s tare is stamped on the door but can vary if the box has been modified, reinforced, or painted. Confirm tare on the actual bin you’re using, especially for one-trip and reefer boxes where attached refrigeration units change the empty mass significantly.
The One-Page Pre-Pack Checklist
Print this before the packing day. Tare mass confirmed from container door. Method chosen (1 or 2). Scale certification confirmed if Method 1. Cargo manifest with line-item weights if Method 2. Dunnage and lashing weight added. Authorized signatory identified. Freight forwarder notified. Cut-off time confirmed with carrier. Filing channel ready. Paper copy filed for three months minimum.
Who Helps a First-Time Shipper Get VGM Right?
Getting VGM right the first time comes down to knowing which party does what, and Van Blanc sells containers. We don’t file your VGM, and we’re not your freight forwarder. What we can do is hand you a clean one-trip or cargo-worthy box with a verified tare stamp, walk you through the math on a 40-foot pack so you understand the geometry, and refer you to the Ontario freight forwarders we’ve watched do good work for the export shippers who’ve called us over the last decade. Real ones. Ask Paul on the phone and he’ll tell you the names.
The freight forwarder is your primary partner on a SOLAS export. The customs broker handles the export declaration. The carrier provides the booking and the ocean transit. The terminal operator handles the physical loading. The shipper, meaning the company on the bill of lading, owns the VGM responsibility from the moment cargo enters the container until the box is on the vessel. Knowing where each party’s job starts and stops is the difference between a smooth first export and a refused container sitting on the apron in Halifax.
Why Buyers From Across Ontario Drive to Brantford
The exporters who’ve bought containers from us over the years tend to make the drive because they want to see the bin before they pay. A box that goes on an ocean voyage has to be structurally sound, with a current CSC plate if cargo-worthy or one-trip, and no door issues that could fail at sea. Walking the yard with Paul or Christian gives a first-time export shipper confidence that the steel is real, the doors seal properly, and the floor will carry the weight they plan to load. That’s worth the drive from Ottawa, Sudbury, or the GTA.
If you’re choosing the actual box for an export pack, it pays to know what separates a sound used unit from a tired one. Our guide to checking a used box before you commit covers the CSC plate, the floor, and the door seals that matter most when the container is headed for sea. Combine that with this VGM-specific piece and you’ve got the working knowledge to file your first verified gross mass without surprises.
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Frequently Asked Questions
Do I need VGM for a domestic Canadian container shipment that never goes on a ship?
No. SOLAS VI/2 applies only to containers loaded onto an ocean vessel. A box that travels by truck or rail inside Canada and stays inside Canada is governed by federal and provincial transport regulations, not SOLAS. The VGM rule kicks in the moment the container is destined for vessel stowage. Most domestic moves from our Brantford yard are outside SOLAS jurisdiction entirely.
Who is legally responsible for the VGM, the shipper or the freight forwarder?
The shipper. The name on the bill of lading owns the VGM responsibility under SOLAS VI/2 and Section 104(1) of the Canadian Cargo, Fumigation and Tackle Regulations. A freight forwarder can transmit the VGM electronically on behalf of the shipper, but only if there’s written authorization. The forwarder cannot certify the number themselves. That distinction matters in any audit or dispute.
What happens if my VGM is wrong by more than the tolerance?
The terminal can refuse the container, set it aside for re-weigh, or load it but flag the shipper for follow-up. Repeat over-tolerance shippers can land on a carrier or terminal watchlist that triggers automatic re-weighs on every future booking. Time delays, demurrage charges, missed sailings, and reputational impact with the carrier are the practical consequences.
Can I weigh my packed container on a regular truck scale?
Only if the scale is certified under the Weights and Measures Act or meets OIML calibration standards. Many public truck weigh stations meet this requirement and issue tickets that work for VGM purposes. Always confirm the certification status of the specific scale before you pack. A scale that’s been off-cycle for calibration won’t produce a valid VGM ticket.
How long do I have to keep my VGM records?
The minimum under SOLAS VI/2 and Transport Canada’s procedure is three months from the date of shipment. Most exporters keep VGM records much longer, six to seven years typically, alongside their other export documentation for tax, customs, and audit purposes. The three months is the floor, not what a well-run export operation actually retains.
Does the tare mass on the container door change over time?
The original tare stamped at the factory stays on the door, but the actual empty mass of the container can shift if the box has been modified, reinforced, repainted, or fitted with attachments. For a one-trip or near-new container, the door-stamped tare is reliable. For an older Wind & Watertight box that’s been through reinforcement work or had a refrigeration unit added, re-verify the tare before relying on it for Method 2 calculations.
What’s the difference between Method 1 and Method 2 in practical terms?
Method 1 weighs the packed and sealed container as a single unit on certified equipment. One ticket, one number. Method 2 weighs every item inside the container individually, plus dunnage and securing materials, then adds the container’s tare. Multiple line items, summed total. Method 1 is faster for homogeneous cargo with scale access. Method 2 is more practical for mixed cargo or shippers without a certified container scale nearby.
Can I file the VGM myself or do I need a freight forwarder?
You can file directly with the ocean carrier if you have an account with them and access to their VGM submission portal. Most small and mid-sized shippers use a freight forwarder because the forwarder already has carrier relationships, EDI integrations, and the workflow built for repeated filings. Either path works under Canadian regulations as long as the shipper retains certification responsibility.
How early before the vessel does the VGM have to be filed?
Each carrier and terminal has its own cut-off window. The general rule is 24 to 96 hours before vessel ETA depending on the port, the carrier, and the booking type. For rail-fed bookings into Halifax, Montreal, or Vancouver, the VGM has to be submitted before noon local time on the day of cargo cut-off. Always confirm the exact deadline with your booking confirmation.
If I buy a one-trip 40-foot container from Van Blanc for export, will the tare stamp be accurate?
Yes. A one-trip container’s door-stamped tare comes from the factory verification and is accurate for VGM purposes. We can confirm the specific bin’s tare before you take delivery from our Brantford yard. Walk the unit, check the door plate, and you’re set for Method 2 calculations or a baseline cross-check on Method 1. Call us and ask which units we currently have available for export buyers.
Sources
- Transport Canada. (2016, updated). TP 15330: Canadian procedure for obtaining the verified gross mass of packed containers as required by SOLAS VI/2. tc.canada.ca
- International Maritime Organization. (1974, amended 2014). SOLAS Chapter VI, Regulation 2: Cargo information. imo.org
- Transport Canada. (2016). Ship Safety Bulletin 04/2016: Canadian Procedure for Verification of the Gross Mass of Packed Containers. tc.gc.ca
- Port of Halifax. (2025). SOLAS VGM Requirements. porthalifax.ca
- International Organization of Legal Metrology. (2024). Weights and measures implementation framework for verified gross mass (VGM) guidelines. oiml.org
Reach Van Blanc in Brantford
We have been supplying shipping containers across Ontario since 1995. Our warehouse is at 90 Morton Avenue E in Brantford, and we deliver right across the province on a cash-on-delivery basis. No surprise fees, no chase-the-paperwork.
Van Blanc Ent. Inc. 90 Morton Ave E Unit 1B, Brantford, ON N3R 7J7 +1 888-509-6658
If you’re packing a container for ocean export and need a one-trip 40-footer or cargo-worthy box with a verified tare stamp ready for Method 1 or Method 2 calculations, come walk the yard and pick the bin yourself. Paul or Christian will be on the floor.