Global Vehicle Identification for Indian Automobile Manufacturers
Introduction to WMI Code
The World Manufacturer Identifier (WMI) Code is an internationally recognized identification code issued to automobile manufacturers for global vehicle identification. In India, the Bureau of Indian Standards (BIS)—a member of the International Organization for Standardization (ISO)—facilitates the assignment of WMI codes to Indian vehicle manufacturers.
The WMI code forms the first three characters of the Vehicle Identification Number (VIN), also known as the chassis number. Along with other VIN elements, the WMI ensures that every vehicle manufactured anywhere in the world has a unique identification number.
In coordination with SAE International (Society of Automotive Engineers), USA, and the ISO framework, BIS assigns WMI codes through its International Relations and Technical Information Services Division.
What is a Vehicle Identification Number (VIN)?
A Vehicle Identification Number (VIN) is a 17-character alphanumeric code used globally to uniquely identify motor vehicles. Before 1980, VIN formats varied by manufacturer, but standardization was later achieved through ISO regulations.
Key Standards Governing VIN
ISO 3779 – Structure and content of VIN
ISO 3780 – World Manufacturer Identifier (WMI)
To avoid confusion, the letters I, O, and Q are not used in VINs.
VIN standards are accepted globally, including by:
European Union
United States of America
Other international automotive markets
Applicability of VIN & WMI (As per ISO 3833)
VIN and WMI requirements apply to:
Motor Vehicles
Trailers
Motorcycles
Mopeds
Who is a Manufacturer?
A manufacturer is defined as any individual, company, or organization responsible for assembling a vehicle into a complete and operational unit.
The manufacturer is responsible for ensuring VIN uniqueness for every vehicle produced.
World Manufacturer Identifier (WMI) Code Explained
The WMI Code:
Occupies the first three characters of the VIN
Identifies the country, manufacturer, and manufacturing division
Can consist of letters and digits
WMI Registration Authority
SAE International (USA) is the global WMI registration authority
BIS coordinates WMI assignment for Indian manufacturers and registers the code with SAE
The first character of the WMI identifies the manufacturing country.
Structure of the VIN
Vehicle Descriptor Section (VDS)
4th to 9th characters of VIN
Describes:
Vehicle type
Model
Body style
Platform
Engine type (in some cases)
Manufacturers may define this section as per their internal coding system, while remaining compliant with ISO standards.
Vehicle Identifier Section (VIS)
Model Year Code
10th character of VIN
Identifies the vehicle model year
Letters U, Z, and digit 0 are not used
Excludes I, O, Q (as per VIN restrictions)
Plant Code
11th character of VIN
Represents the manufacturing plant
Plant codes are manufacturer-specific but position is standardized
Procedure for WMI Code Registration in India
The WMI registration process involves the following steps:
1. Application Submission
Submission of application with supporting documents to BIS
2. Document Verification
BIS verifies technical, legal, and manufacturing details
3. WMI Code Proposal
BIS proposes WMI code based on available series
Entry of proposed WMI in BIS database
4. Registration with SAE International (USA)
BIS forwards the proposal to SAE International
5. Confirmation from SAE
SAE issues official confirmation of WMI registration
6. Notification to Applicant
BIS communicates WMI allocation to the manufacturer
Eligibility & Conditions for WMI Code Assignment
Applicants must submit the following:
Name, address, and location of manufacturing facility
Memorandum & Articles of Association (MoA & AoA)
Industrial License for automotive manufacturing (certified copy)
Installed capacity & annual production details (model-wise)
Technical specifications and brand details
Existing vehicle coding system (if any)
Business size (small / medium / large)
Detailed VIN structure with drawings (as per ISO 3779 / 3780 / 4030)
Proposed number of vehicles to be manufactured annually
Demand Draft of ₹5,000 + applicable GST, payable to “Bureau of Indian Standards”, New Delhi
Importance of WMI Code Registration
Mandatory for global vehicle identification
Enables international vehicle traceability
Required for export & international sales
Ensures compliance with ISO & SAE standards
Strengthens manufacturer credibility
Without a valid WMI code, manufacturers cannot generate internationally accepted VINs.
Why Choose Qualitance India for WMI Code Registration?
Qualitance India provides end-to-end consultancy for WMI Code Registration, ensuring compliance with BIS, ISO, and SAE requirements.
Our Services Include
Eligibility assessment
VIN & VDS structure preparation
Documentation & application filing
BIS coordination & follow-ups
SAE registration support
End-to-end approval assistance
We simplify complex regulatory procedures and ensure accurate, timely, and compliant WMI allocation.
Conclusion
The World Manufacturer Identifier (WMI) Code is a critical requirement for automobile manufacturers seeking global recognition and compliance. Proper WMI registration ensures unique VIN allocation, international traceability, and regulatory acceptance.
With professional guidance, the WMI registration process becomes structured, efficient, and error-free.
