Input Tax Credit (ITC) Under GST: A Simple Step-by-Step Checklist to Avoid Notices

1) What is ITC in simple words?

Input Tax Credit (ITC) means:
If you paid GST on your purchases (expense/stock/services), you can reduce that GST from your output GST — but only when the purchase is genuine and properly documented.

ITC is not “free money”.
It is a benefit given by law, with conditions.

2) Why do ITC issues trigger GST notices so often?

Because ITC is the most common area where:

• invoices are missing,

• vendors don’t file returns,

• data doesn’t match in GST portal reports,

• payment or delivery proof is weak.

In many cases, tax is not the real issue — documentation is.

3) Step-by-step: What you should check before claiming ITC

Here’s a simple checklist you can follow every month:

Step 1: Basic invoice check
Make sure invoice has:

• supplier GSTIN

• your GSTIN (if applicable)

• invoice number/date

• HSN/SAC, tax rate, tax amount

• place of supply (where required)

Step 2: Supplier is “active”
Check whether supplier GSTIN is active and not cancelled.

Step 3: Match with portal data
Match purchase register with:

• GSTR-2B / auto-drafted data
  (whatever your internal process is)

If an invoice is not reflecting, don’t panic — but track it.

Step 4: Proof that goods/services are actually received
Keep at least one:

• e-way bill / delivery challan / LR

• GRN / inward register

• email confirmation / work completion proof for services

Step 5: Payment trail
Try to pay via banking channel and keep:

• bank statement entry

• vendor ledger

This becomes important if enquiry comes later.

4) The 7 common ITC mistakes I see in real cases

1. Claiming ITC on invoices not in records

2. Claiming ITC even though vendor is non-filer for long periods

3. Wrong GSTIN used (branch mix-up)

4. Claiming blocked credits (like personal use / ineligible categories)

5. No delivery/work proof kept

6. Backdated entries to adjust mismatch

7. Accepting liability in reply without checking facts properly

These small things later become big issues.

5) What to do if there is mismatch?

Don’t rush to pay immediately just to close it.

Do this instead:

• identify which invoices are missing

• confirm whether vendor filed or not

• collect proof of receipt + payment

• keep a clean reconciliation working

• reply with facts and supporting documents

Many matters settle at this level if paperwork is proper.

6) Final takeaway

Most GST ITC disputes don’t start because the transaction is fake.
They start because the business cannot prove it properly.

If you maintain:

• invoice discipline

• monthly reconciliation

• delivery + payment proof

you reduce your risk massively.

Feedback at: contact@arkadvisorsllp.com