Got a GST or TDS Notice? What the Clock It Starts Actually Means

A GST or TDS notice is not a penalty — it's a deadline. Most notices give you a defined window to respond, and the worst outcomes come not from the notice itself but from missing that window, which can turn a routine query into a confirmed demand, interest, and penalty. Here's how to read a notice, what clock it starts, what to gather, and when to bring in your CA — fast.

A notice is a question with a due date

Tax notices range from a simple discrepancy query to a show-cause notice, but they share a structure: a department, a reason, a set of documents or explanation requested, and a deadline to respond. The single most important thing to extract on receipt is the response window — because if you let it pass, the department can proceed ex parte (on the basis of their information alone), and your position weakens dramatically. Responding on time, even with a request for more time, keeps you in the conversation.

What to do in the first 48 hours

1. Read it for three things: who issued it, what they're asking, and by when. Note the deadline immediately.
2. Identify the trigger — a GSTR mismatch, a TDS short-deduction or short-deposit, a return not filed, an ITC query. The notice usually names the period and the issue.
3. Gather the evidence — the relevant returns, challans, reconciliations, and the filed acknowledgements (this is why keeping evidence matters).
4. Loop in your CA early, not at the deadline — give them runway to draft a proper response.

Common triggers worth understanding

• GST mismatches — your GSTR-3B vs GSTR-1 vs the auto-drafted GSTR-2B don't reconcile.
• TDS defaults — tax deducted but deposited late, short-deducted, or a return filed late (TDS due dates and penalties).
• Non-filing — a return the department expected wasn't filed.

Understanding the trigger tells you what evidence answers it — and often the answer is "here's the filed proof," which is fast when you have it and slow when you don't.

When to escalate immediately

Bring your CA in straight away (don't wait) when the notice is a show-cause notice, involves a significant demand, alleges suppression or fraud, or you simply don't understand what's being asked. The cost of a good early response is tiny next to the cost of a confirmed demand you have to litigate later.

Don't let a notice sit unseen

The dangerous notice is the one that lands in an inbox nobody's watching and surfaces after the window closed. ComplianceStack lets you log a notice, has AI summarise the deadline, department and documents needed, and turns it into an owned, dated task so it never sits unanswered — with the response evidence stored. Get your free compliance health check.