Margin Ledger · GST and TDS

GST and TDS, worked out before the deadline.

Margin works out GSTR-1 and GSTR-3B each month, and the 26Q and 24Q TDS returns each quarter, from the invoices, bills and payroll in your books. You or your CA file them on the portal; Margin never files anything itself.

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GST for September 2026

Your GSTR-2B from the GST portal, matched with the bills in your books. Margin works out the figures; your CA files the returns on the GST portal.

Input credit in your books₹1,05,1207 bills with GST
You can claim₹99,720what suppliers filed
Held back₹5,4002 bills to chase
GSTR-3B to pay₹2,49,480by 20 Oct
SupplierBill dateIn your booksIn GSTR-2BResult
1 Sep₹32,400₹32,400Matched
1 Sep₹10,800₹10,800Matched
5 Sep₹18,000₹16,200Amount differs
10 Sep₹4,320₹4,320Matched
18 Sep₹3,600Not filedMissing in 2B
30 Sep₹27,000₹27,000Matched
30 Sep₹9,000₹9,000Matched
26 SepNot entered₹360Not in your books

GSTR-3B for September, worked out

LineIGSTCGSTSGSTTotal
Tax on salesTable 3.1₹2,73,600₹37,800₹37,800₹3,49,200
Input credit claimedTable 4₹37,800₹30,960₹30,960₹99,720
To pay in cashby 20 Oct₹2,35,800₹6,840₹6,840₹2,49,480

Tax on sales comes from your 6 invoices for September (₹19,40,000 before GST). IGST credit is set off first, then CGST and SGST. Margin never files a return itself: your CA files GSTR-3B on the GST portal, and you record the filed figures here so Margin can show whether the books agree.

GSTR-1 for September
6 invoices, ₹19,40,000 taxable, ₹3,49,200 tax. Filed 10 Oct 2026; the filed figures agree with the books.
Filed
Try this: open a mismatch to see why the credit is held back.

Example data. Nothing you do here is saved.

Returns worked out from your books

GSTR-1 and GSTR-3B come from the sales invoices and credit notes you issue in Margin, your bills and GSTR-2B. Your CA files on the GST portal, you record the filed figures, and Margin shows whether the books agree.

  • GSTR-1 and GSTR-3B for each month
  • CGST and SGST or IGST on every invoice
  • Filed figures checked against the books
  • Every deadline on the statutory calendar

GSTR-2B mismatches caught early

Upload the GSTR-2B file from the GST portal and Margin matches it with your bills. You see which vendors haven't filed and which bills you can't claim credit on yet. If last month's isn't in by the 16th, Margin reminds your finance team and admins.

  • Vendors who haven't filed
  • Bills you can't claim credit on yet
  • A reminder on the 16th

TDS challans, returns and Form 16

Each bill carries its TDS section and rate, such as 194C or 194J, so TDS comes off what you pay. Record each challan with its CIN and allocate the deductions it paid; Margin shows which aren't on a challan yet. Each quarter, generate 26Q or 24Q for your CA to check and file.

  • A default TDS section for each vendor
  • Deductions not yet on a challan
  • 26Q for vendors, 24Q for salaries
  • Form 16 from locked payroll runs

Good questions.

No. Margin works out GSTR-1, GSTR-3B, 26Q and 24Q from your books. Your CA files them on the portal, you record the filed figures, and Margin shows whether the books agree.

Finance home shows the next one, and the statutory calendar holds them all: TDS deposit on the 7th, GSTR-1 on the 11th, PF and ESI on the 15th, GSTR-3B on the 20th, professional tax on the 28th, and advance tax each quarter.

For invoices and returns, yes. Invoice series, GST returns and GSTR-2B uploads use your company's GST numbers, one for each state you're registered in, added under Settings → Companies. Bills and expenses can be saved without one, but then claim no input tax.

Form 16, for salaries, with the Payroll or Books + Payroll plan: each person's certificate for the year, made from approved, locked payroll runs, for everyone with a PAN. Margin doesn't make Form 16A for vendors; it prepares the 26Q return file for your CA.

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