How to use this calculator
- Enter the turnover of zero-rated supplies, the input tax credit and the tax paid.
- Choose the type of refund to match your situation.
- Read the maximum refund and the formula used in the result.
Refund is subject to time limits and documents; the officer decides the final amount.
The result is an estimate for the figures you enter. It is not a filed return, a certificate or professional advice. Rates, thresholds and section numbers change with each Finance Act, and the Income-tax Act, 2025 applies from 1 April 2026 with new section and form numbers.
For the related work, see GST return filing.
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