WMI Registration Documents: Complete Checklist and Requirements Guide (2026)

• Six core documents form the base file: incorporation proof, GST certificate, Udyam certificate, plant address proof, product category details, and the signed application form.
• Every copy must be self-certified: BIS requires self-attested copies signed by an authorised Director, Partner, or Proprietor — not plain photocopies.
• Name and address consistency is non-negotiable: your legal entity name and factory address must match exactly across every single document submitted.
• Different triggers need different papers: a fresh WMI application, a name change, and a new-plant update each require a slightly different document set.

Introduction

WMI registration documents are the set of proofs the Bureau of Indian Standards (BIS) needs to verify a vehicle manufacturer before forwarding a World Manufacturer Identifier proposal to SAE International. The core set includes a signed application form, incorporation or partnership proof, GST registration, Udyam/MSME certificate where applicable, manufacturing plant address proof, and a clear description of the vehicle category and production timeline.

Every document must be self-certified by an authorised signatory and must match the company's legal name and address exactly. Missing or mismatched paperwork is the single biggest reason WMI applications get delayed at BIS.

Why WMI Registration Documents Matter

A World Manufacturer Identifier is only issued after the Bureau of Indian Standards (BIS) is satisfied that a genuine, legally registered manufacturer with real production capability is behind the application. The documents you submit are how BIS establishes that trust before it forwards your proposal to SAE International, the global registration authority for WMI codes under ISO 3780.

In other words, your paperwork does the verification work that a physical audit might otherwise do. Clean, consistent, correctly certified documents move through BIS review quickly; incomplete or mismatched ones generate queries, resubmissions, and — in the worst cases — outright rejection.

Complete WMI Registration Documents Checklist

This is the core document set applicable to most new WMI applications in India. Treat it as your master checklist before you submit anything to BIS.

• Signed WMI application form: the official BIS application form, duly filled and signed by an authorized Director, Partner, or Proprietor.
• Certificate of Incorporation: for private limited or public limited companies, a self-certified copy of the incorporation certificate issued by the Registrar of Companies.
• Partnership Deed / Proprietorship proof: for partnership firms or sole proprietorships, the registered partnership deed or equivalent proprietorship registration document.
• Memorandum & Articles of Association (MOA/AOA): required for companies, confirming that vehicle manufacturing falls within the entity's permitted business activities.
• GST Registration Certificate: a self-certified copy showing the applicant's current, active GST registration.
• Udyam Registration Certificate (MSME): where applicable, a self-certified copy of the Udyam certificate issued by the Ministry of MSME, Government of India.
• Manufacturing plant address proof: a utility bill, lease agreement, property document, or factory licence confirming the physical location of the manufacturing facility.
• Product/vehicle category description: a written note specifying the vehicle type — passenger car, two-wheeler, EV, commercial vehicle, bus, trailer, or specialty vehicle — for which the WMI is sought.
• Proposed production commencement date: the month or date you expect to begin commercial production and VIN assignment.
• Proof of application fee payment: a receipt or payment confirmation for the ₹5,000 plus applicable taxes BIS charges for WMI issuance.
• Authorized signatory details: name, designation, and contact information of the person BIS should correspond with regarding the application.

BIS also publishes an official checklist alongside the WMI application form specifically so applicants can self-verify this list before submission — cross-checking against it before you send anything is the single easiest way to avoid a first-round query.

Documents Required by Business Entity Type

The exact proof of legal existence you submit depends on how your manufacturing business is structured. Use this table to identify what applies to you:

Whichever category you fall into, the signatory on the application form must be someone empowered to represent that entity — a Director for companies, a Designated Partner for LLPs, a Partner for firms, or the Proprietor themselves.

Documents Required for Different Types of WMI Applications

Not every interaction with BIS is a fresh WMI application. Once you're registered, certain changes require an update filing with a narrower, purpose-specific document set.

BIS publishes a separate application form specifically for these inclusion and modification requests, distinct from the original WMI application form — using the correct form for the correct purpose avoids unnecessary back-and-forth.

Document Format and Self-Certification Rules

BIS is strict about how documents are presented, not just what is submitted. Keep these formatting rules in mind:

• Self-attestation is mandatory: every copy must be self-certified — signed and stamped by the authorised signatory — rather than submitted as a plain, unsigned photocopy.
• Exact name matching: the legal entity name must appear identically across the incorporation certificate, GST certificate, Udyam certificate, and application form; even minor punctuation differences can trigger a query.
• Exact address matching: the manufacturing plant address on your address proof must match the plant address stated in the application form and product category note.
• Legible, current copies only: expired GST or Udyam certificates, or scans that are difficult to read, are common reasons applications get sent back for resubmission.
• Correspondence details on letterhead: BIS typically expects the authorised signatory's contact details and any covering communication to be on official company letterhead.

How BIS Verifies Your WMI Registration Documents

• Application receipt: BIS logs your application, checklist, and supporting documents at its International Relations & Technical Information Services Department in New Delhi.
• Completeness check: officials confirm every item on the official checklist is present and correctly self-certified before moving to substantive review.
• Detail verification: BIS cross-checks your manufacturer details, plant information, and proposed vehicle category against the submitted documents for consistency.
• Query stage (if needed): if any document is missing, mismatched, or unclear, BIS raises a query and processing pauses until you respond with corrected paperwork.
• Code proposal: once your documentation is verified as complete and consistent, BIS proposes a WMI code and forwards the proposal to SAE International for global assignment.

Common Document Mistakes That Delay WMI Applications

• Submitting a company name on the application form that doesn't exactly match the incorporation certificate or GST registration.
• Providing a plant address proof that is older than the current lease or ownership status, creating a mismatch with the address on file.
• Sending plain photocopies instead of self-certified copies signed by an authorized representative.
• Leaving the vehicle/product category section vague instead of naming a specific category (e.g., 'electric two-wheeler' rather than just 'vehicle').
• Applying with an expired GST certificate or an Udyam certificate that hasn't been updated after a business change.
• Missing the authorised signatory's designation, which makes it unclear whether the person had authority to sign on the entity's behalf.
• Submitting documents for a plant that isn't yet operational, without any evidence of near-term production readiness.
• Filing a fresh WMI application instead of the correct modification form when only a name or address update is needed.

Eligibility Criteria Linked to Your Documentation

Your document set is effectively how BIS confirms eligibility, so it helps to prepare paperwork against these underlying conditions:

• You are a legally registered manufacturing entity — company, LLP, partnership, or proprietorship — with valid incorporation or registration proof.
• You have a functional or near-functional manufacturing plant, supported by genuine address proof.
• You hold current GST registration and, where applicable, Udyam/MSME registration.
• You can clearly document the vehicle category and product line the WMI will cover.
• You are applying before commercial VIN assignment begins, not retroactively.

WMI Registration Fee Linked to Document Submission

Alongside your documents, BIS requires proof of the official application fee — a flat ₹5,000 plus applicable taxes, regardless of vehicle category. This fixed, government-set fee does not vary by the volume of documentation submitted; the real cost driver in most applications is time lost to document corrections, not the fee itself.

How Long Are Your WMI Documents Valid?

Once your WMI is confirmed, you don't need to resubmit your core documents on a fixed schedule — the code itself remains valid as long as the company stays in business under the registered identity. However, you must proactively submit updated documents to BIS whenever:

• Your entity name changes: submit the updated Certificate of Incorporation along with the modification application form.
• Ownership or structure changes: provide updated incorporation or partnership documents reflecting the new ownership.
• You add a new plant or relocate: submit fresh address proof for the new manufacturing location.
• You add a new vehicle variety: submit an updated product category description with the inclusion application form.

Failing to update BIS after any of these changes can create a mismatch between your registered WMI records and your current legal status — worth avoiding since it can complicate future type-approval or export documentation checks.

2026 Update: What's Changing Around WMI Documentation

The core WMI document checklist — incorporation proof, GST, Udyam, plant address, and product category details — has not changed structurally in 2026. That said, applicants preparing documentation this year should note the following real, verifiable developments in the surrounding BIS compliance environment:

• BIS Conformity Assessment Regulations, 2026 (amended 25 February 2026): BIS extended maximum licence validity to up to five years across several certification schemes, with annual fee payment options instead of lump-sum renewal. While this amendment doesn't apply to the WMI code specifically, it reflects BIS's broader move toward longer-cycle documentation management — a useful signal for manufacturers who also hold other BIS certifications alongside their WMI.
• Greater weight on WMI documentation during EV type-approval: as electric vehicle manufacturing has expanded, WMI code details are increasingly cross-referenced during CMVR vehicle type-approval filings, meaning manufacturers should treat WMI documentation as an early-stage requirement rather than something to sort out just before launch.
• No new WMI-specific document requirement published: as of this update, BIS's official WMI page and checklist continue to list the same document categories described above. Applicants should always verify the latest checklist directly on the official BIS WMI page before submission, since government-published checklists can be revised without prior notice.

The practical takeaway for 2026: document requirements are stable, but manufacturers — especially newer EV and low-volume vehicle makers — are increasingly expected to have this paperwork ready earlier in their production timeline, not as an afterthought once vehicles are ready to ship.

Get Your WMI Documents Right the First Time

Most WMI registration delays aren't about the process itself — they come down to a mismatched address, an outdated certificate, or a document that wasn't self-certified correctly. If you'd rather have that handled by specialists than risk a back-and-forth with BIS,

Silvereye Certifications helps vehicle manufacturers prepare, verify, and submit a complete WMI registration document set — checking every certificate, address proof, and form against BIS's current checklist before submission. From first-time applicants to manufacturers filing a plant-change or new-variety update, Silvereye Certifications makes sure your paperwork is right the first time, so your WMI code moves through BIS and SAE International without avoidable delays.

Frequently Asked Questions