Reviewed through: 12 August 2026

Finin2min Summary

  • Rule 9B of the Companies (Prospectus and Allotment of Securities) Rules requires specified private companies other than excluded classes to move securities into the dematerialised framework.
  • 30 September 2026 is not a universal deadline for every private company. It is relevant to the rolling cohort that became non-small as of 31 March 2025 under the 18-month rule.
  • A company that first falls into the non-small category as of 31 March 2026 generally reaches its 18-month point on 30 September 2027, subject to the precise rule and any later amendment.
  • The compliance project involves more than obtaining an ISIN: depository connectivity, RTA arrangements, capital reconciliation, shareholder demat readiness and restrictions on post-deadline corporate actions/transfers must be managed.
  • “Small company” status must be tested using the operative legal thresholds and exclusions for the relevant date. Do not use the proposed ₹20 crore/₹200 crore ceilings unless and until they become law and are brought into effect.
  • Before an offer, buyback, bonus or rights issue after the applicable compliance date, promoter/director/KMP holdings and other conditions under Rule 9B must be checked.
  • Preserve a board-approved Rule 9B applicability memo each year; the deadline can change when the company's classification changes.

The Two-Minute Answer

Rule 9B works like a rolling classification-to-deadline engine.

  1. Test whether the private company is excluded or qualifies as a small company at the relevant financial-year end.
  2. If it is a covered non-small private company, calculate the rule's compliance period—generally 18 months from the end of that financial year, subject to the rule's transition provisions.
  3. Complete demat infrastructure and shareholder readiness before the deadline.
  4. After the deadline, do not process covered issue/transfer/corporate action without satisfying the demat conditions.

This is why a blanket “all private companies must demat by 30 September 2026” article is unsafe.

Who Is Potentially Covered?

Start with the Companies Act definition and Rule 9B exclusions.

The key screening questions are:

  • Is the entity a private company?
  • Is it a small company for the relevant reference date under the legally operative thresholds?
  • Is it within a specifically excluded class, including any current Government-company exclusion?
  • Has it previously become subject to Rule 9B?
  • Has a later restructuring changed its classification?

Because “small company” itself has numerical limits and statutory exclusions, group structure matters.

A private subsidiary can fail the small-company definition even with low turnover/capital because holding/subsidiary status is an exclusion from the definition.

The Rolling 18-Month Logic

Cohort example: non-small on 31 March 2025

18 months from financial-year end leads to 30 September 2026.

Cohort example: non-small on 31 March 2026

18 months leads to 30 September 2027.

These examples illustrate the rolling model. Always apply the exact rule wording, any transition amendment and the company's facts.

Why the 30 September 2026 Headline Can Mislead

Two companies can have identical paid-up capital today but different Rule 9B deadlines because:

  • one was already non-small at an earlier year-end;
  • the other crossed the threshold later;
  • one is a subsidiary and therefore excluded from “small company” status despite low numbers;
  • one falls into another excluded class;
  • a transition extension may apply to a historical cohort.

The deadline should therefore be stored as a company-specific calculated date, not a website-wide static calendar item.

What “Dematerialisation” Requires Operationally

A company typically needs to coordinate:

  • board/management approval;
  • appointment/arrangement with a depository participant/RTA as applicable;
  • connectivity with NSDL/CDSL through the prescribed intermediary structure;
  • ISIN creation for each class of security requiring demat;
  • reconciliation of issued/paid-up capital;
  • shareholder communication;
  • demat of promoter/director/KMP holdings where Rule 9B requires it before specified actions;
  • handling of corporate actions;
  • transfer/transmission controls;
  • periodic reconciliation/reporting as legally applicable.

Do not tell shareholders merely to “open a demat account” before the company itself has completed the issuer-side setup.

ISIN Control

An ISIN identifies a security class. A company with equity shares and multiple preference/debt classes can need separate identifiers depending on the instruments.

Before ISIN application, reconcile:

  • authorised capital;
  • issued capital;
  • subscribed capital;
  • paid-up capital;
  • register of members;
  • share certificates;
  • allotment returns;
  • split/consolidation history;
  • forfeiture/buyback/cancellation;
  • pending transfers/transmissions.

Legacy mismatches become much harder to ignore once the depository master is created.

Shareholder Readiness

Create a shareholder communication pack covering:

  • why Rule 9B applies;
  • company ISIN;
  • RTA/contact point;
  • demat request process;
  • name/PAN mismatch resolution;
  • joint-holding consistency;
  • transmission cases;
  • lost certificate process;
  • target internal date before the statutory deadline.

Use an internal deadline well before the legal outer date.

Corporate Actions After the Compliance Date

Rule 9B contains important restrictions around issuing securities and facilitating transfers once the company is within the demat regime.

Before:

  • rights issue;
  • bonus issue;
  • private placement;
  • preferential issue;
  • buyback;
  • other offer of securities,

the secretarial team should verify the demat status required for promoters, directors and KMP and the company's compliance with the rule.

Do not schedule a fundraise and discover at closing that promoter holdings remain physical.

Worked Example

Company A was a covered non-small private company at 31 March 2025.

Its Rule 9B project plan should work back from 30 September 2026, subject to the precise rule:

  • T-180 days: applicability memo and capital reconciliation;
  • T-150: appoint/engage RTA/depository process;
  • T-120: obtain ISIN;
  • T-90: shareholder outreach;
  • T-60: promoter/director/KMP demat closure;
  • T-30: exception list;
  • deadline: no unresolved issuer-side blocker.

Company B first becomes covered at 31 March 2026. It should not blindly copy Company A's 2026 date; its rolling deadline analysis points to September 2027 unless another rule changes the conclusion.

Small-Company Proposal Trap

As of this article's 12 August 2026 review, Finin2min's existing small-company article uses the operative ₹10 crore paid-up capital / ₹100 crore turnover prescribed ceilings from the 2025 amendment, subject to statutory exclusions.

The Corporate Laws (Amendment) Bill, 2026 proposes higher statutory ceilings of ₹20 crore / ₹200 crore. A proposal is not the operating Rule 9B classification test until enacted, commenced and reflected in the applicable definition/rules.

Do not postpone demat based on a Bill.

Common Errors

  • Treating 30 September 2026 as universal.
  • Testing current size instead of the relevant year-end classification.
  • Using proposed small-company thresholds as current law.
  • Obtaining an ISIN without reconciling the register of members.
  • Waiting for shareholders before completing issuer-side setup.
  • Ignoring promoter/director/KMP demat ahead of a corporate action.
  • Assuming physical transfer can continue normally after the applicable compliance date.
  • Publishing a deadline without the cohort logic.

Practical Checklist

  • [ ] Private-company status confirmed.
  • [ ] Small-company definition tested at relevant year-end.
  • [ ] Statutory exclusions checked.
  • [ ] Rule 9B applicability memo approved.
  • [ ] 18-month deadline calculated.
  • [ ] Latest MCA/e-Gazette amendments checked.
  • [ ] Capital/register reconciliation complete.
  • [ ] RTA/depository process initiated.
  • [ ] ISIN(s) obtained.
  • [ ] Shareholders informed.
  • [ ] Promoter/director/KMP demat status reviewed.
  • [ ] Corporate-action restrictions embedded in secretarial SOP.

Article-Specific Q&A

Is 30 September 2026 the deadline for every private company?

No. It is a key date for the 31 March 2025 covered cohort under the rolling 18-month logic.

What if my company became non-small only at 31 March 2026?

The ordinary 18-month calculation points to 30 September 2027, subject to the current rule and any amendment.

Does a small company need to comply?

Rule 9B generally excludes small companies, but the statutory definition and exclusions must be tested carefully.

Can I use the proposed ₹20 crore/₹200 crore limits now?

No. A Bill/proposal does not replace the operative prescribed definition until the legal changes take effect.

Is obtaining an ISIN enough?

No. The company must operationalise depository/RTA, capital reconciliation, shareholder demat and post-deadline transaction controls.

What should a company do before a rights issue?

Check Rule 9B compliance and the demat status requirements for promoter/director/KMP holdings and the securities involved before launching the action.

Official / Primary Sources

Relevant Finin2min Links

Finin2min Review Trigger

Refresh after any Rule 9B amendment, small-company definition change, depository/MCA filing change or judicial/administrative clarification on the rolling compliance period.

Disclaimer

Rule 9B applicability depends on the company's classification, exclusions, financial-year-end facts and current amendments. This guide is general educational material; verify the latest MCA/e-Gazette rule before acting.