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NISM-Series-VI: Depository Operations · Functions of Depository Participant - Dematerialisation

Processing of Demat Requests by Issuer/RTA and Timelines

Updated 11 October 2026

After the DP sends a demat request, the issuer or its RTA checks the certificates against its records. It then confirms or rejects the request electronically to the depository within 30 days of receiving the request. On confirmation, the depository credits the investor's demat account.

Understand Processing by Issuer/RTA and Timelines

Dematerialisation turns physical share certificates into electronic holdings. The investor starts at the DP, but the DP cannot create the electronic security alone. Only the issuer, or the Registrar and Transfer Agent (RTA) acting for it, can say whether the certificates are genuine and match the records.

The flow runs in order. The investor gives the DP a Demat Request Form (DRF) and the certificates. The DP checks them, marks the certificates as surrendered for dematerialisation, and sends an electronic request to the depository. The depository passes it to the issuer/RTA. The DP separately sends the DRF and the physical certificates to the RTA. Under the NISM workbook, the DP must do this within 7 days of the electronic request.

The RTA then verifies. It checks the certificates against the register of members. It checks the signatures, the names and holding pattern, the folio and certificate numbers, and whether any stop, lock-in or court order applies. If everything matches, it confirms the request electronically to the depository. If something fails, it rejects the request and states a reason.

On confirmation, the depository credits the securities to the investor's account through the DP. The RTA cancels the physical certificates and records the depository as the registered holder. The investor remains the beneficial owner. The prescribed time for the RTA to confirm or reject is 30 days from receipt of the demat request. Always check the current workbook for the exact period.

On rejection, the certificates go back to the DP, which returns them to the investor. The investor fixes the defect and submits a fresh request. Rematerialisation is the reverse process: electronic holdings are converted back into physical certificates.

Key formulas to remember

Processing chain
Investor → DP → Depository → Issuer/RTA → Depository → DP → Investor's account
The RTA's reply goes back electronically to the depository. The DP does not receive credit directly from the RTA.
DP dispatch limit
DP sends DRF and certificates to RTA within 7 days of the electronic request
This is the DP's deadline, and it runs from the electronic request. Do not confuse it with the RTA's 30-day deadline.
RTA processing limit
Issuer/RTA confirms or rejects within 30 days of receipt of the demat request
Confirmation is electronic, to the depository. Pair it with the DP's 7 days.
Outcome rule
Confirmed → credit to BO account; Rejected → certificates returned and fresh request needed
Credit follows only confirmation. Rejection must carry a reason.

How to solve Processing by Issuer/RTA and Timelines questions

Use this method for any question on RTA processing, confirmation, rejection or timelines.

  1. 1Identify who acts in the question: investor, DP, depository or issuer/RTA.
  2. 2Place the event in the chain: request, DP verification, electronic request, physical dispatch, RTA verification, confirmation or rejection, credit.
  3. 3Pick the right deadline: 7 days (from the electronic request) is the DP's dispatch period and 30 days is the RTA's processing period.
  4. 4Check what the RTA verifies: signatures, names, certificate and folio details, and any stop, lock-in or court order.
  5. 5Decide the outcome. Confirmation leads to credit through the depository. Rejection leads to return of certificates and a fresh request.
  6. 6Eliminate options where the wrong party acts, such as the DP confirming for the issuer or the investor dealing directly with the RTA.
  7. 7Confirm the answer matches the workbook wording before marking it.

Quickest way: Who, what, how many days

When to use it: When an MCQ asks about timelines or about which party confirms or rejects.

  1. Ask first: is this the DP's step or the RTA's step?
  2. DP step: send to RTA within 7 days of the electronic request. RTA step: confirm or reject within 30 days.
  3. Confirmation always flows RTA → depository → DP → account credit.
  4. If an option shows a different number of days, treat it as a trap unless the question names a different process.

Common mistakes in Processing by Issuer/RTA and Timelines

  • Swapping the 7-day DP period and the 30-day RTA period.

    Both are periods in the same process, so they blur together.

    Fix: Tie 7 days to the DP sending documents after the electronic request and 30 days to the RTA confirming or rejecting.

  • Saying the DP credits the account after the RTA confirms directly to it.

    Students forget the depository sits between the RTA and the DP.

    Fix: Remember the RTA confirms electronically to the depository, which then credits the account through the DP.

  • Treating a rejected request as cancelled for good.

    The word rejection sounds final.

    Fix: A rejection can be cured. The investor fixes the defect, such as a signature or name mismatch, and the DP submits a fresh request.

  • Thinking the RTA can reject without giving a reason.

    Students focus on the outcome and ignore the reason.

    Fix: Rejection is communicated with a stated reason so the investor knows what to correct.

  • Confusing dematerialisation with rematerialisation.

    Both involve the issuer or RTA and certificates.

    Fix: Demat converts physical to electronic and the RTA cancels certificates. Remat converts electronic to physical and the issuer issues certificates.

Worked examples

Example 1

The RTA receives a demat request and finds the signature on the certificate does not match its records. What happens next?

Show the solution
  1. The RTA verifies the certificates against its records and finds a mismatch.
  2. A signature mismatch is a ground for rejection.
  3. The RTA rejects the request, states the reason, and informs the depository electronically.
  4. The certificates are returned through the DP to the investor.
  5. The investor corrects the defect, and the DP submits a fresh request.

Answer: The RTA rejects the request with the reason, the certificates are returned, and the investor must correct the defect and apply afresh.

Example 2

Within how many days must the issuer or RTA confirm or reject a demat request, and what follows confirmation?
A) 7 days; the DP credits the account
B) 15 days; the depository credits the BO account
C) 30 days; the depository credits the BO account
D) 2 days; the investor receives new certificates

Show the solution
  1. The 7-day period belongs to the DP's dispatch of documents, so A is wrong on timeline.
  2. The RTA's period is 30 days, so B and D are wrong on timeline. 15 days is not the prescribed period.
  3. After confirmation, the depository credits the investor's demat account through the DP. The RTA does not credit the account itself, and no new certificates are issued.
  4. Option C matches both parts.

Answer: C

Exam tips

  • Expect direct recall of the 7-day and 30-day figures. Learn which party owns each.
  • Questions often ask who confirms the request. The answer is the issuer/RTA, electronically to the depository.
  • Watch for options where credit happens without confirmation. Those are wrong.
  • Rejection grounds are usually signature, name, stop transfer, lock-in or court order. Pick the one that fits the facts.
  • With negative marking, skip a question only if you cannot separate the DP's deadline from the RTA's.

Practice questions from Functions of Depository Participant - Dematerialisation

Processing by Issuer/RTA and Timelines: frequently asked questions

How long does dematerialisation take at the issuer/RTA stage?

The issuer or RTA must confirm or reject within 30 days of receiving the demat request. The DP also has 7 days from the electronic request to send the documents to the RTA. Check the latest workbook for the exact wording.

What does the RTA check in a demat request?

It compares the certificates with the register of members. It checks signatures, names, holding pattern, certificate and folio details, and whether any stop, lock-in or court order applies.

Why can a demat request be rejected?

Common reasons are signature or name mismatch, certificates not in order, a stop on transfer, lock-in, or a court or legal order. The RTA communicates the reason with the rejection.

What happens after a demat request is rejected?

The certificates are returned to the investor through the DP. The investor corrects the defect and the DP submits a fresh demat request.