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The Petroleum and Explosives Safety Organisation (PESO) has issued a new circular for gas cylinder manufacturers and importers. PESO is the government body that regulates the safety of explosives, petroleum, and gas cylinders in India. This circular asks businesses to confirm one important thing: that every new cylinder they make or import has a permanent barcode marking on it.
This barcode rule comes from Rule 6(2)(c)(i) of the Gas Cylinders Rules, 2016, as changed by the Gas Cylinders (Amendment) Rules, 2025. The rule says every gas cylinder and cryogenic container must carry a permanent, tamper-proof barcode. A tamper-proof mark cannot be removed, scratched off, or changed without damaging the cylinder itself.
The PESO has made it mandatory for all manufacturers and importers to provide the written confirmation by 31.07.2026, emphasizing the importance of their responsibility in ensuring safety measures.
This is an important circular for the purposes of compliance, which must be completed by the stated date. Non-compliance could mean trouble for you during the inspection by PESO or delay in renewing licenses.
Here is a summary of what this circular means for you:
What are the Gas Cylinders Rules, 2016?
The Gas Cylinders Rules, 2016 are the main safety rules for gas cylinders in India. PESO created these rules under the Explosives Act. The rules cover how cylinders are made, tested, filled, transported, and marked.
These rules apply to any business that manufactures, imports, fills, stores, or transports gas cylinders. This includes cylinders used for cooking gas, industrial gases, medical oxygen, and cryogenic liquids. A cryogenic container is a special tank that stores gases at extremely low temperatures, such as liquid nitrogen or liquid oxygen.
PESO regulates gas cylinders because a damaged or fake cylinder can explode or leak. This puts workers, transporters, and the public at risk. Strong rules help prevent accidents.
What Changed Under the Gas Cylinders (Amendment) Rules, 2025?
The updated rules in 2025 by PESO were based on the original 2016 rules. Among the many changes, there is one particular regulation that states the addition of Rule 6(2)(c)(i). According to the new rule, all cylinders and cryogenic containers used for filling compressed gases and liquids should have an added marking on their surface.
Previously, the cylinders had basic markings like numbering or information provided by the manufacturer. However, now, there is a new marking which includes a machine-readable barcode on the cylinders throughout their lifetime.
PESO introduced this barcode rule for several safety and administration reasons:
Key Takeaways
PESO now wants written confirmation that businesses are following this rule.
What Does the Circular Announce?
PESO asks manufacturers and importers to formally confirm their compliance with Rule 6(2)(c)(i). PESO is not just reminding businesses about the rule. It is asking for documented proof, in the form of an online confirmation, that the barcode requirement is already being followed on new cylinders.
This step lets PESO check, on paper, which companies have adopted the barcode marking and which have not. It also creates a record that businesses can point to if questions come up later.
Who Needs to Comply?
The circular is addressed to all Gas Cylinder Manufacturers and Importers in India. This includes companies that make cylinders domestically and companies that bring cylinders or cryogenic containers into India from other countries.
Check whether Rule 6(2)(c)(i) applies to the cylinders or containers you manufacture or import.
Confirm that every new cylinder or container made or imported after the rule's applicability date carries a permanent, tamper-proof barcode.
In order to make sure that there is compliance, it is important to confirm that all newly manufactured or imported cylinders or container will have an indestructible and tamper-proof barcode sticker on it. It is the responsibility of the company to keep records of this.
Fill out the Online Suggestion Form provided by PESO, or scan the QR code in the circular to reach the same form.
Submit the confirmation on or before the deadline of 31.07.2026.
The confirmation must reach PESO on or before 31.07.2026. This is not a deadline to start applying barcodes. It is a deadline to submit written confirmation that the barcode marking is already in place on new cylinders and containers.
Businesses should not wait until the last few days. Filling the form early gives time to fix any last-minute problems, such as incomplete records or unclear internal processes.
Important Note: The confirmation deadline of 31.07.2026 applies to the submission of the online form, not to the barcode marking itself. The barcode marking requirement under Rule 6(2)(c)(i) is expected to already be in practice for new cylinders and containers.
This is the most important part of the circular. Let's break down every term in plain English.
What is Permanent Marking?
Permanent marking means a mark that stays on the cylinder for its entire working life. It is not a sticker that can peel off. It is not printed ink that can fade away. It has to be a mark that lasts as long as the cylinder is in use.
What Does Tamper-Proof Mean?
Tamper-proof refers to the fact that the mark cannot be scratched out, altered, or changed in any way without causing damage to the cylinder. For instance, if one tries to remove the barcode or apply a new one to the existing cylinder, the alteration will cause some visible damage. This makes it impossible to exchange identity between the secure and insecure cylinders.
What is a Permanent Barcode?
The permanent barcode is an information code that resembles the barcodes found on different items available for sale. The main features include:
Which Cylinders Are Covered?
According to the circular, the rule applies to cylinders and containers used for filling compressed gases and liquids.
Cylinder Type
Which Cylinders Are Not Covered?
The circular does not list specific exemptions. Businesses that are unsure whether a particular cylinder type or an older, already-existing cylinder falls under this rule should check directly with PESO or a compliance expert, since the text of the circular focuses on new cylinders manufactured or imported from the applicable date.
Every new gas cylinder or cryogenic container made or imported in India must carry a permanent, tamper-proof barcode at a visible spot. This is a legal requirement under Rule 6(2)(c)(i), and businesses must now confirm to PESO, in writing, that they follow it.
Permanent Identification
Every cylinder needs a mark that is fixed to the body in a way that cannot be easily removed. This is usually done through processes that create a lasting mark, rather than printed labels alone.
Barcode Requirements
The barcode should:
Traceability
Barcodes make it possible to track cylinders since the moment they are manufactured or imported. This is helpful throughout their lifecycle, starting from manufacture up to the testing, filling, and inspection stages.
Record Keeping
Businesses should maintain clear records connected to the barcode system.
Checklist for Record Keeping
Record Item:
Earlier, manufacturers and importers followed general marking practices under the 2016 rules, such as stamping basic details on the cylinder body. There was no requirement for a permanent barcode, and no formal process asked businesses to confirm compliance with PESO directly.
Now, under the 2025 amendment and this new circular, businesses have an added responsibility. They must apply a barcode that meets the permanent and tamper-proof standard, and they must actively confirm this to PESO by a set date.
| Aspect | Previous Process | New Process |
| Marking requirement | Basic stamped details | Basic details plus permanent barcode |
| Verification | No formal confirmation step | Online confirmation required by 31.07.2026 |
| Responsibility | Marking compliance only | Marking compliance plus reporting to PESO |
Step 1: Understand the rule. Study Rule 6(2)(c)(i) to be aware of the requirement to place a permanent and non-tampering barcode on new cylinders and cryogenic vessels.
Step 2: Check your current marking process. Review how your business currently marks cylinders. Identify whether a permanent barcode is already in place.
Step 3: Fill in the gaps. If there is no permanent barcode in your marking procedure, work with the production or quality control department in your company to add such a procedure.
Step 4: Collect evidence. Obtain internal documents proving that the barcodes are being put on new cylinders produced or imported on or after the applicability date.
Step 5: Complete the PESO confirmation form. Complete your confirmation using either the online suggestion form link or by scanning the QR code in the circular.
Step 6: Submit before the deadline. Make sure your confirmation reaches PESO on or before 31.07.2026.
| Event | Date | Importance |
| Circular issued by PESO | 15.07.2026 | Start of the formal confirmation request |
| Confirmation submission deadline | 31.07.2026 | Last date to submit compliance confirmation |
| Ongoing requirement | From the rule's applicability date onward | All new cylinders and containers must carry the permanent barcode |
Improve Safety
A permanent barcode helps track a cylinder's condition and testing history, reducing the chance that an unsafe cylinder stays in circulation unnoticed.
Better Tracking
Digital tracking through barcodes replaces slower manual record checks, making it easier to follow a cylinder from manufacture to use.
Reduce Fake Cylinders
A tamper-proof barcode makes it much harder for counterfeit or unauthorized cylinders to pass as genuine, approved ones.
Better Inspections
Inspectors can scan a barcode and instantly access a cylinder's background, rather than relying only on visual checks.
Better Compliance Overall
Formal confirmation from manufacturers and importers gives PESO a clear picture of industry-wide compliance, helping it plan future safety measures.
Lower accident risks caused by unsafe or fake cylinders
Improved inspection speed and accuracy
Improved accountability of manufacturers and importers
A framework for digital safety in the future
Manufacturers
Manufacturers have to adapt their manufacturing process to provide a barcode permanently on cylinders and be ready to provide the information to PESO.
Importers
Importers must verify that cylinders and containers coming from overseas suppliers already meet the barcode requirement before entering the Indian market.
Industrial Gas Companies
Companies that fill or use these cylinders should be aware that their supply chain now depends on properly barcoded, traceable cylinders.
Supply Chain
The entire supply chain, from raw cylinder production to final distribution, needs to align with this barcode-based tracking system.
Compliance Teams
Compliance teams will need to manage new documentation, coordinate with production teams, and handle the PESO confirmation submission.
| Stakeholder | Major Impact |
| Manufacturers | Must build barcode marking into production |
| Importers | Must verify supplier compliance before import |
| Industrial gas companies | Depend on properly marked, traceable cylinders. |
| Supply chain partners | Need alignment across production, import, and distribution. |
| Compliance teams | Must manage documentation and PESO submission |
Failing to comply with Rule 6(2)(c)(i), or failing to submit the confirmation by the deadline, can create real problems for a business.
| Risk | Possible Effect |
| Missing the confirmation deadline | Increased regulatory attention from PESO |
| Cylinders without proper barcode marking | Issues during inspections or safety checks |
| Poor internal records | Difficulty proving compliance if questioned |
| Ignoring the rule entirely | Possible delays in future approvals or renewals |
Warning: Lack of compliance with PESO marking and confirmation procedure may result in regulatory issues, delayed approval process, and difficulties during inspection or licensing procedures. Please take this date into serious consideration.
Submitting your confirmation early and making sure your barcode process is solid before the deadline brings several advantages:
| Aspect | Advantages | Challenges |
| Safety | Improves overall cylinder safety across India by making unsafe cylinders easier to identify and remove from circulation | None directly - safety is the primary benefit, not a burden |
| Tracking & Inspection | Makes tracking and inspection far more efficient through machine-readable, lifetime barcodes | Inspectors, distributors, and internal teams need to adapt to new scanning and record-checking processes |
| Fraud Prevention | Helps reduce counterfeit or unsafe cylinders in circulation since tamper-proof marks are hard to fake or transfer | Businesses must ensure their barcode application process itself cannot be bypassed or misused |
| Digital Infrastructure | Builds a stronger digital foundation for future safety monitoring and national-level traceability | Requires businesses to invest in systems that support digital, barcode-based record-keeping |
| Manufacturing & Import Process | Encourages more organized, standardized production and import practices | Adds a new step to existing manufacturing and import workflows that must be integrated without disrupting output |
| Internal Records | Creates a clearer, more traceable compliance history for each business | Requires businesses to update marking systems and internal record-keeping to stay audit-ready |
| Administrative Load | Formal PESO confirmation creates an official compliance record businesses can rely on later | Creates additional administrative work to prepare documentation and submit the PESO confirmation on time |
| Cost Impact | Long-term reduction in risk-related costs (accidents, recalls, regulatory penalties) | May involve added upfront cost for barcode technology, especially burdensome for smaller manufacturers |
| Industry-Wide Effect | Levels the playing field by holding all manufacturers and importers to the same safety standard | Smaller players may need more time or support to reach the same compliance standard as larger companies |
Balanced conclusion: This rule makes companies perform more activities for now, but it addresses a concrete need. A permanently marked barcode will help to track down such cylinders and prevent fraud. As this industry works with compressed gases and cryogenic liquids, the additional measure is required to ensure safety in the long run.
This new requirement also opens doors for certain service providers and technology companies.
| Business Opportunity | Who Can Benefit |
| Barcode marking technology and equipment. | Barcode solution providers |
| Compliance guidance and documentation support | Compliance consultants |
| Verification and testing services | Inspection agencies |
| Digital tracking and record-keeping platforms | Traceability software companies |
| Barcode-ready cylinder production | Gas cylinder manufacturers |
Navigating a new PESO circular with a fixed deadline can be confusing, especially when it involves technical terms like "permanent marking" and "tamper-proof barcode." Corpseed can support manufacturers and importers at every stage of this compliance process.
1. Applicability Assessment
2. Regulatory Interpretation
3. Document Review
4. Gap Analysis
5. Compliance Advisory
6. Submission Assistance
7. End-to-End Support
8. Ongoing Regulatory Monitoring
The goal is to make this compliance requirement manageable and error-free, so your business meets the deadline with confidence and maintains a clean compliance record with PESO going forward.
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