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GST

Why your input tax credit keeps getting blocked, and what actually fixes it

Credit depends on your supplier filing, not on you paying. That single design choice explains most of the mismatch notices businesses receive.

9 March 20267 min readBy the Tax Station team

You bought goods, you paid the invoice including GST, you have the tax invoice in hand. And the credit is still not available to you. This is the single most common source of GST disputes for small and mid-sized businesses, and it comes down to one structural fact about how the credit works.

Your credit depends on someone else's filing

Input tax credit is available only when the supply appears in your GSTR-2B, and it appears there only when your supplier reports it in their own return. If your supplier does not file, or files late, or reports it against the wrong GSTIN, the credit does not reach you — regardless of the fact that you have paid them in full, tax included.

The four conditions, all of which must hold

  1. 01You hold a valid tax invoice or debit note.
  2. 02You have actually received the goods or services.
  3. 03The tax has been paid to the government by the supplier.
  4. 04The supplier has furnished the return, and the supply reflects in your GSTR-2B.

There is a fifth condition people forget: you must pay your supplier within the prescribed period from the invoice date. If you do not, credit already availed has to be reversed with interest, and can only be re-availed once you pay.

Credit that is blocked outright

Separately from mismatch, some credit is simply not available no matter how clean the paperwork. Broadly, this includes motor vehicles below a seating threshold except in specified businesses, food and beverages, outdoor catering, health services, club and fitness memberships, rent-a-cab, and goods or services used for personal consumption. Works contract services for construction of immovable property are also restricted, with narrow exceptions.

Claiming these and reversing them later on audit is a common and entirely avoidable finding. Set the accounting up so these expense heads are flagged as ineligible at the point of entry.

What actually fixes the problem

  1. 01Reconcile GSTR-2B to your purchase register every month, not annually. A gap found in month one can be chased; a gap found eleven months later usually cannot.
  2. 02Hold a portion of payment against the tax component until the supply appears in your 2B. Put it in the purchase order so it is not a surprise.
  3. 03Check supplier filing status before onboarding, and periodically after. A supplier with a pattern of late filing will cost you working capital.
  4. 04Track the payment window to suppliers, because breaching it reverses credit you have already taken.
  5. 05Keep the ineligible heads separated in your chart of accounts so blocked credit is never claimed in the first place.

None of this is exotic. It is monthly discipline, and the businesses that do it stop receiving mismatch notices almost entirely.

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