When the GST rate on a good or service changes, taxpayers need to know which rate applies to transactions spanning the change date. Section 14 of the CGST Act provides special rules for determining time of supply in such cases.
Why Rate Change Matters
Rate changes happen through notifications. If a supply is in progress when the rate changes, the tax rate applicable depends on when the supply is deemed to occur under the special rules, not the normal time of supply.
Section 14 of the CGST Act
Section 14 states that notwithstanding anything contained in Section 12 or Section 13, the time of supply in cases where there is a change in the rate of tax in respect of goods or services shall be determined in the prescribed manner. The Central Government has prescribed rules under this section.
The Prescribed Rules
The rules are:
For Goods or Services
Where the supply is made before the change in rate
If the supply is made before the date of change in rate:
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If the invoice is issued after the change and payment is also received after the change, the time of supply is the date of invoice or date of payment, whichever is earlier. New rate applies.
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If the invoice is issued before the change but payment is received after the change, the time of supply is the date of invoice. Old rate applies.
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If the invoice is issued after the change but payment is received before the change, the time of supply is the date of payment. Old rate applies.
Where the supply is made after the change in rate
If the supply is made after the change:
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If payment is received before the change and invoice is issued after the change, the time of supply is the date of invoice. New rate applies.
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If invoice is issued before the change but payment is received after the change, the time of supply is the date of invoice. Old rate applies.
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If payment is received before the change and invoice is also issued before the change, the time of supply is the date of receipt of payment or date of invoice, whichever is earlier. Old rate applies.
Simplified Understanding
The rule effectively aligns the rate with the later of supply, invoice, or payment in certain combinations, but the primary determinant is whether the supply event has occurred before or after the rate change, and whether invoice/payment occur before or after.
A common approach:
- If both invoice and payment are on the same side of the rate change as the supply, the rate of that side applies.
- If invoice and payment straddle the rate change, the earlier of invoice or payment determines the rate, unless the supply itself occurred before the change and both invoice and payment are after, in which case the earlier of invoice/payment after change is used, resulting in new rate.
Practical Examples
Example 1: Rate Increases, Goods Supplied Before Change, Invoice and Payment After
- Supply date: 25 March (old rate 12%)
- Rate change to 18% on 1 April
- Invoice issued: 5 April
- Payment received: 10 April
Both invoice and payment after change. Rule: time of supply is earlier of invoice or payment = 5 April. New rate 18% applies.
Example 2: Rate Increases, Invoice Before Change, Payment After
- Supply date: 25 March (old rate 12%)
- Invoice issued: 28 March (before change)
- Payment received: 10 April (after change)
Invoice before change. Time of supply = invoice date = 28 March. Old rate 12% applies.
Example 3: Rate Decreases, Advance Received Before Change, Supply and Invoice After
- Advance received: 25 March (old rate 18%)
- Rate decreases to 12% on 1 April
- Supply date: 10 April
- Invoice issued: 12 April
Supply after change. Payment before change, invoice after change. Time of supply = invoice date = 12 April. New rate 12% applies. The advance receipt does not lock old rate.
Practical Compliance Steps
- Track the exact date of supply, invoice and payment.
- Identify the effective date of rate change.
- Apply Section 14 rules to determine the applicable rate.
- Issue credit/debit notes if tax was charged at wrong rate.
- Maintain documentation for audit.
How Anuj Desai & Associates Can Help
We help businesses manage rate change transitions, determine correct time of supply, issue appropriate notes and avoid tax rate disputes.
Contact Anuj Desai & Associates
Email: office@anujdesaiassociates.com
Phone: 9619456656
Website: https://anujdesaiassociates.com
LinkedIn: linkedin.com/in/ca-anuj-desai-122547230