Do not dismiss a GST notice merely because the downloaded PDF has no visible digital-signature mark. In its 25 September 2024 advisory, the Goods and Services Tax Network (GSTN) said that system-generated notices and orders are issued after an officer signs in to the GST Common Portal using a digital signature. The notice details and issuing-officer information are stored in the GST system with that signature, even when the signature is not displayed on the PDF you download.
Your first task is authentication, not guessing from the document’s appearance. Use the notice’s Reference Number (RFN) with the GST Portal’s Verify RFN service, then read the corresponding record in your taxpayer account and follow the notice-specific instructions and deadline. Verification can establish whether the communication and its stated purpose correspond to a GST system record; it does not decide how you should answer the allegations.
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GSTN’s official explanation is available in the Advisory on issuance of Notices/Orders without digital signatures of the issuing authorities, dated 25 September 2024.
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Why a GST PDF may not show a signature
How GSTN says system-issued notices are authenticated
GSTN’s 25 September 2024 advisory addresses notices and orders whose downloaded copies do not visibly display the issuing authority’s digital signature. It states that these communications are generated from an officer’s Common Portal login using a digital signature. The communication’s details and the issuing officer’s information are maintained in the GST system along with that signature.
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That is an electronic authentication process inside the portal. A PDF viewer may not show a handwritten-style mark, a signature panel, or a certificate banner even though the underlying portal record was created through the authenticated workflow described by GSTN. The visual appearance of the file therefore is not, by itself, a reliable test of authenticity.
What the missing mark does and does not establish
The absence of a visible signature alone does not establish that the notice is invalid, fabricated, or safe to ignore. It also does not prove that every attachment sent by email is genuine. Treat the PDF as a communication that must be checked against the official GST system, using its RFN and the details held in your account.
Keep two questions separate:
- Authentication: does the RFN and portal record correspond to this communication, its issuer, and its stated purpose?
- Response: what facts, documents, explanations, payment, or procedural action does this particular notice require, and by what date?
Verify RFN addresses the first question. It does not interpret the legal provision cited in the notice, assess the tax department’s allegations, or calculate every possible deadline.
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1Scan for outdated or missing drivers - takes under a minute2Clear out junk files and repair common Windows errors3Fix the driver behind crashes, sound loss and screen glitchesWhat to do immediately after receiving the notice
- Do not ignore it. Save the original email or portal alert, the downloaded PDF, every attachment, and the date and time you received them. Do not rename files in a way that removes the RFN or other identifying information.
- Locate the RFN. Find the Reference Number printed in the notice or shown with the portal communication. Copy it carefully; a single transposed character can produce a failed or misleading lookup.
- Verify the RFN on the GST Portal. GSTN identifies both a logged-in route and a pre-login Verify RFN service. Use whichever route is available, and enter the RFN exactly as issued.
- Compare the result with the document. Check the communication’s validity and stated purpose, then compare the available reference, issuer, taxpayer details, dates, and notice description with the PDF and the message that delivered it.
- Open the complete portal record. Read the full notice in your taxpayer account, including its legal provision, factual allegations, requested response, attachments, and any hearing or reply date. A short email summary may omit material instructions.
- Calendar the notice-specific deadline. GSTN’s advisory does not set one universal reply period. Use the date and instructions in the verified communication, and obtain qualified help promptly if the timing or consequence is unclear.
How to use Verify RFN
When you are logged in
GSTN gives this route for a taxpayer who can access the account:
- Sign in to the GST Common Portal using your taxpayer credentials.
- Open Dashboard.
- Select Services.
- Open User Services.
- Choose Verify RFN.
- Enter the RFN and any other fields the portal requests, then submit the check.
Record or download the result for your files. Compare it with the notice you received rather than relying on a verbal confirmation or an image of a result.
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When you are not logged in
GSTN also says communications initiated through the system can be checked before login through the portal’s Verify RFN service. This is useful when you are checking an unexpected communication or cannot first reach the taxpayer dashboard. Enter the RFN exactly as shown and retain the result, including any displayed status and communication details.
| Access route | Where to go | When it is practical | What GSTN establishes |
|---|---|---|---|
| Logged in | Dashboard > Services > User Services > Verify RFN | You can access the taxpayer account and want to inspect the related record immediately. | The portal can be used to check the communication’s validity and purpose. |
| Pre-login | The GST Portal’s Verify RFN service | You need to check a communication before signing in or cannot currently access the account. | GSTN identifies this as another route to verify system-initiated communications; the advisory does not assign a different legal evidentiary weight to it. |
What to compare after the lookup
A successful lookup is useful only if the result actually matches the document in your possession. Work through the following fields:
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- Taxpayer identity: Check the GSTIN, legal name, trade name, and registration details shown in the portal record against the notice.
- Issuing authority: Compare the officer, jurisdiction, office, and designation where displayed.
- Communication type and purpose: Confirm that the portal describes the same kind of notice or order and the same subject as the PDF.
- Dates: Compare the issue date, tax period, hearing date, reply date, and any date mentioned in an attachment.
- Contents: Ensure the allegations, legal provision, schedules, annexures, and requested documents in the portal record are present in the copy you received.
If the portal record is shorter than the file you received, or the attachment contains different bank details, contact information, payment instructions, or allegations, preserve both versions and treat the difference as a warning requiring prompt investigation.
Read the notice before deciding how to respond
Identify the legal provision and issue
Start with the section, rule, form, or proceeding cited in the notice. That citation determines what the department is asking you to explain and what records may be relevant. Do not assume that a notice about registration, return discrepancies, input-tax credit, tax payment, interest, penalty, cancellation, or recovery follows the same procedure.
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List every allegation and requested item
Create a working list from the complete notice: each period, invoice, return figure, mismatch, transaction, document, explanation, and action requested. Mark items that require records from an accountant, customer, supplier, bank, transporter, or other third party. A response that addresses only the headline allegation can leave separate requests unanswered.
Separate the reply date from a hearing date
Some communications state a written-response date, a personal-hearing date, or both. Put each date on your calendar and note the time zone and submission method shown in the notice. The GSTN advisory does not supply a standard period that can replace the dates in your verified communication.
Check all attachments and portal entries
Read annexures, spreadsheets, demand calculations, and uploaded records in the portal, not only the first PDF page. If a document refers to an earlier notice or order, find that related record in the account and preserve its RFN and date as well.
If Verify RFN fails or the result does not match
Check for an input or account problem first
Re-enter the RFN directly from the original communication, removing accidental spaces while preserving characters that are part of the number. Try the other official route—logged-in or pre-login—if one route is unavailable. Confirm that you are checking the correct GSTIN and that you have opened the latest communication rather than an old download.
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Preserve evidence of the mismatch
Keep the original message with its headers if available, the PDF in its original form, attachments, screenshots or print-to-file copies of the verification result, and a note of when you performed the check. Do not respond through links or phone numbers supplied only in a suspicious message until you have independently confirmed the official channel.
Escalate through independently sourced official channels
GSTN’s advisory explains authentication and Verify RFN but does not prescribe a dedicated mismatch-resolution process. If the portal cannot confirm the RFN, or the displayed issuer, purpose, taxpayer details, or dates conflict with the notice, contact the relevant tax office using contact information obtained independently from the official GST Portal or your existing records. A qualified Indian GST practitioner or tax professional can also help assess whether the communication belongs to your proceeding and what immediate protective step is appropriate.
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Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to prepare the response after the notice is verified
- Build a notice checklist. Copy each question, allegation, and requested document into a working document, with the paragraph or annexure where it appears.
- Reconcile the figures. Compare the notice with filed returns, invoices, credit notes, e-way records, ledgers, payment records, and relevant correspondence. Note whether a difference is a timing issue, amendment, classification issue, duplicate entry, or factual error.
- Prepare an indexed evidence set. Name files clearly, keep an index, and map each attachment to the point it supports. Preserve originals and submit copies in the format and size accepted by the portal.
- Write a point-by-point explanation. State the facts, identify the supporting record, explain any calculation, and distinguish an admitted correction from an allegation you dispute. Avoid making a broad admission merely to answer quickly.
- Address payment or correction instructions carefully. If the verified notice requires tax, interest, penalty, amendment, or another action, follow the stated procedure only after checking the figures and obtaining advice where the legal consequence is significant.
- Submit through the channel and by the date specified. Save the submission acknowledgment, reference number, uploaded files, and a copy of the final response. If the portal rejects a file or becomes unavailable, record the error and seek prompt official or professional guidance rather than waiting until the deadline expires.
The portal’s authentication result does not make your factual or legal response automatically correct. Verification confirms that the communication corresponds to a GST system record; the substance still requires a careful answer based on the notice and your records.
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When professional help is sensible
Consider a qualified Indian GST practitioner or tax professional when:
- the notice cites provisions or proceedings you do not understand;
- the amount, potential penalty, interest, cancellation, or recovery consequence is material;
- the notice concerns several tax periods, related entities, or input-tax-credit chains;
- the portal result and the received document do not match;
- you have missed, or may soon miss, a stated reply or hearing date;
- the department requests a personal hearing or extensive underlying records; or
- you need help deciding whether to correct a return, make a payment, seek rectification, or contest an allegation.
Give the professional the verified portal record, the complete notice and annexures, your original message, the RFN result, and the relevant books and returns. Do not send passwords, one-time codes, or digital-signature credentials by email or messaging service.
Common mistakes to avoid
- Rejecting the notice because the PDF looks unsigned: GSTN specifically says system-issued notices can be generated through an officer’s digitally authenticated portal login even when the downloaded PDF has no visible signature.
- Replying only to the email: Use the submission method and portal workflow stated in the verified communication, and retain the acknowledgment.
- Checking only the first page: Read the legal provision, annexures, requested records, and every date.
- Assuming one deadline applies to every GST notice: The relevant period depends on the notice type and legal basis; rely on the verified communication.
- Using contact details from a suspicious attachment: Obtain official contact information independently before discussing a mismatch or making a payment.
- Waiting for a perfect explanation before preserving evidence: Save the message, files, portal record, and verification result immediately, then obtain help if needed.
The practical rule
A GST notice without a visible digital-signature mark is not automatically invalid. Verify its RFN through the logged-in path—Dashboard > Services > User Services > Verify RFN—or the portal’s pre-login Verify RFN service, compare the result with the complete communication, and act on the specific instructions and date shown in that verified record. If the check fails or details conflict, preserve the evidence and seek clarification through independently sourced official channels or a qualified professional without ignoring the proceeding.
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