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TDS Interest Calculator

Calculate the exact interest penalty for late deduction (1%) or late payment (1.5%) of TDS under Section 201(1A).

TDS Details

Section 201(1A)

The total tax amount that was delayed.

Penalty Summary

Enter the TDS amount and dates to calculate the required interest.

Understanding TDS Late Payment Interest

Under Section 201(1A) of the Income Tax Act, 1961, if a deductor fails to deduct Tax Deducted at Source (TDS) or fails to deposit it with the government by the due date, they are liable to pay penal interest. Our TDS Interest Calculator computes this penalty accurately according to the exact statutory rules.

1% vs 1.5% Interest Rate

The interest rate applied depends on the nature of the default:

  • Late Deduction (1% per month) If you fail to deduct TDS on the day the expense was recorded/credited, you owe 1% per month from the date the tax was deductible to the date it is actually deducted.
  • Late Payment (1.5% per month) If you successfully deduct the TDS but fail to deposit it to the government by the due date (usually the 7th of the next month), you owe 1.5% per month from the date of deduction to the date of payment.

The "Month or Part of a Month" Rule

The most confusing aspect of calculating TDS interest manually is how the Income Tax department defines a "month."

The law states interest is calculated for "every month or part of a month." This means that a fraction of a month is rounded up to a full month.

Example: If you deduct TDS on May 15th and pay it on June 16th, the delay crosses exactly one month. It will be counted as 2 months of interest. (May 15 to June 14 is 1 month. June 15 to June 16 triggers the second month).