Free tools for CAs

Check the department's numbers before you reply

Interest, late fees, penalties, time limits and deadlines, worked out the way the law says, with the section or notification behind every figure. No sign-up needed.

calculators: 6; calculators
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in your browser: 100%; in your browser

Most used

Income tax234A / 234B / 234C interestMonth-by-month interest with Rule 119A rounding, the 12%/36% rule, self-assessment tax and 220(2) demand interest.Schedule + PDFOpen

Income tax and GSTReply and appeal deadlinesReply due date and appeal limitation for 143(1)(a), 148A, ITAT, CIT(A), ASMT-10, s.107 and more.Days leftOpen

GSTGST notice time limitLast date for the SCN and order under Sections 73, 74 and 74A for each FY, with the extension notifications.TimelineOpen

GSTGST interest and late feeInterest u/s 50 on late tax or wrong ITC (Rule 88B) and the s.47 late fee for GSTR-3B and GSTR-1 with the caps.Interest + feeOpen

Income taxPenalty u/s 270AUnder-reporting at 50% and misreporting at 200% of the tax on under-reported income, and when s.270AA immunity is open.Penalty estimateOpen

Income taxTDS late fee and interestLate fee u/s 234E (Rs 200 a day, capped) and interest u/s 201(1A) at 1% / 1.5% a month, counted the way CPC-TDS counts.Fee + interestOpen

How the tools work

1
Pick the tool
Match it to the notice: interest, a time limit, a deadline or a penalty.
2
Enter the figures
From the notice, the return or the order. Nothing you type leaves your browser.
3
Check the department
Every result shows the rule and the section, so a wrong demand stands out.

For the notice itself

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Estimates for professional review. They do not replace reading the notice and the law for the year.