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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallAn advance payment does not automatically preserve the old GST rate on a pending order. For Indian GST, section 14 of the Central Goods and Services Tax Act, 2017 determines the time of supply when a rate changes. You must first establish whether the goods or services were supplied before or after the effective date, then test the invoice and payment dates against the matching section 14 rule.
That is why an order paid in advance can still require the new rate. CBIC’s FAQ gives a clear example: where goods are supplied and invoiced after the rate change, the new rate applies even though the full advance was received earlier. The exact notification, supply facts and transaction records control the result.
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The short answer: an advance is not a rate guarantee
The date on a purchase order, contract or advance receipt does not by itself settle which GST rate applies. Section 14 overrides the ordinary time-of-supply rules in sections 12 and 13 when the government changes a rate. It uses three dates:
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- when the supply was made;
- when the tax invoice was issued; and
- when payment was received under the statutory definition.
The time of supply produced by that test determines whether the rate in force before or after the change applies. A supplier should therefore avoid the blanket statement that “advance paid means old rate.” That conclusion is correct only when the applicable section 14 branch makes the payment date the time of supply.
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How section 14 decides the applicable rate
Section 14 separates transactions according to whether the supply occurred before or after the rate change. Within each group, the invoice and payment dates determine the time of supply. The following table restates the statutory branches in practical terms. “Before” and “after” refer to the effective date in the rate notification applicable to the particular goods or services.
| When supply occurred | Invoice date | Payment date | Time of supply under section 14 | Rate side normally indicated |
|---|---|---|---|---|
| Before the change | After | After | Earlier of receipt of payment or invoice issue | Usually the rate in force on that earlier event |
| Before the change | Before | After | Invoice date | Usually the pre-change rate |
| Before the change | After | Before | Payment date | Usually the pre-change rate |
| After the change | Before | After | Payment date | Usually the post-change rate |
| After the change | Before | Before | Earlier of receipt of payment or invoice issue | Usually the pre-change rate if both events precede the change |
| After the change | After | Before | Invoice date | Usually the post-change rate |
The table is a timing framework, not a substitute for classifying the supply or reading the relevant notification. Exemptions, special categories and notification wording can affect the rate itself. Keep the notification with the transaction file.
“the time of supply shall be the date of receipt of payment or the date of issue of invoice, whichever is earlier”.
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This wording appears in section 14(a)(i) of the Central Goods and Services Tax Act, 2017, for the specified case where the supply was made before the change and both invoice and payment occur afterward.
What counts as the payment date
For section 14, receipt of payment is not simply the date shown on a customer’s remittance advice. The statute defines it as the earlier of:
- the date the payment is entered in the supplier’s books; or
- the date the amount is credited to the supplier’s bank account.
Section 14 also contains a special bank-credit proviso for situations in which the bank credit occurs more than four working days after the rate-change date. The exact application depends on the dates and facts, so preserve both the accounting entry and bank-credit evidence rather than recording only the date selected by an accounting system.
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For a card, electronic transfer, cheque or other instrument, document when the supplier treated the amount as received and when the bank actually credited it. If the two dates differ, the earlier-date rule and the four-working-day proviso should be checked against the transaction record.
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A pending order normally has several separate milestones: order acceptance, advance receipt, production or service performance, delivery, invoicing and final payment. Section 14 does not make the order date the controlling event. It asks whether the supply itself happened before or after the change and then applies the corresponding invoice/payment branch.
CBIC’s advance-payment example
CBIC’s official FAQ asks about goods supplied and invoiced after a rate change in June 2017 when the entire advance had been received in April 2017. Its answer applies the new rate because the goods and invoice were after the change. The example is illustrative, but it demonstrates why an advance received before the change cannot be treated as a universal lock-in.
What the example does not decide
The FAQ does not eliminate the need to determine the actual supply date, invoice date, payment date and effective notification for another transaction. A service completed before the change, a delivery split into batches, or an invoice issued before the change can place a transaction in a different section 14 branch.
Handling partial advances and staged deliveries
Do not assume that one advance gives every later delivery the same time of supply. For a partial advance, identify what the payment relates to and match that portion to the relevant supply and invoice events. For staged deliveries, review each separately when title, possession, acceptance or service completion occurs at different times under the contract and applicable GST rules.
Separate the records by transaction portion
- Identify the quantity, milestone or service component covered by each advance.
- Link each receipt to its receipt voucher and later tax invoice.
- Record the actual delivery, dispatch, acceptance or completion evidence for that component.
- Apply section 14 to the relevant portion instead of carrying the first order date across the entire contract.
If a contract contains cancellation rights, retention amounts, refundable deposits or a milestone that is not clearly a supply, obtain GST advice before allocating the payment. The tax result can turn on whether the amount is consideration for a supply and when that supply is treated as made.
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Documents to collect before changing a rate
A defensible file should allow another reviewer to reproduce the timing decision. Gather these records before issuing an amended invoice or charging the customer a difference:
- the precise goods or services and their GST classification;
- the rate notification and its effective date;
- delivery notes, goods-receipt acknowledgements, service-completion certificates or other evidence of when supply occurred;
- the tax invoice, credit note or debit note and its issue date;
- each payment date, including supplier-book entry and bank-credit dates;
- the advance receipt voucher and the final invoice; and
- contract milestones, purchase-order terms and correspondence explaining any delay or partial performance.
Keep the evidence in a way that distinguishes the date a document was created from the date the underlying event occurred. A later invoice cannot, by itself, prove that supply occurred on the invoice date.
Receipt vouchers for advances
GST receipt-voucher rules require particulars including the advance amount, tax rate, tax charged, description of the goods or services, recipient information and place of supply. Reconcile those fields with the eventual tax invoice. An incorrect rate or description on the voucher should be corrected through the permitted documentation process rather than silently overwritten.
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Tax-invoice timing and particulars
CBIC’s invoice-rules material lists taxable value, tax rate, tax charged and place of supply among tax-invoice particulars. A general 30-day deadline is stated for invoices for taxable services, subject to specified exceptions. That service deadline should not be applied indiscriminately to goods; goods have different invoicing triggers and the applicable rule must be checked for the transaction.
When the rate changes between an advance receipt and final billing, compare the receipt voucher and final invoice line by line. Differences in taxable value, tax rate, tax charged or place of supply can create reconciliation problems even when the section 14 timing conclusion is correct.
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A practical decision procedure
- Identify the supply. Describe the goods or services, classification, place of supply and applicable rate notification.
- Record the effective date. Save the government notification and note whether the change applies from the start of a day or another stated time.
- Establish when supply occurred. Use delivery, acceptance, dispatch, performance or completion records appropriate to the supply; do not rely only on the order date.
- List every invoice event. Record the issue date of the tax invoice and any related debit or credit note.
- List every payment event. Capture the date entered in the supplier’s books and the bank-credit date, then apply the statutory receipt-of-payment definition.
- Select the section 14 branch. First choose supply before or after the change, then match the invoice/payment combination in the table.
- Determine the rate and tax amount. Use the rate in force at the resulting time of supply, subject to the exact notification and classification.
- Reconcile documents. Check the receipt voucher, final invoice, ledger, bank statement and customer communication for consistent values and dates.
- Escalate unusual facts. Obtain professional GST advice where the contract has partial performance, disputed delivery, unclear milestones, unusual payment instruments or a contested effective date.
Illustrative date patterns
The following examples show how the branches work. They are timing illustrations only; they do not establish the rate for any particular product.
| Facts | Section 14 result | Practical implication |
|---|---|---|
| Supply before the change; invoice before; payment after | Invoice date is the time of supply | The pre-change rate normally applies, assuming the classification and notification support it. |
| Supply before; invoice after; payment before | Payment date is the time of supply | The advance can support the pre-change rate for that supply portion. |
| Supply after; invoice after; payment before | Invoice date is the time of supply | The advance does not preserve the old rate; the post-change rate normally applies. |
| Supply after; invoice before; payment after | Payment date is the time of supply | The later payment can place the time of supply after the change. |
| Supply and invoice after; full advance before | Invoice date is the time of supply | This is the pattern addressed by CBIC’s FAQ, where the new rate applies. |
Common mistakes and how to correct them
Using the purchase-order date
Problem: Treating an accepted order as proof that the old rate is fixed.
Correction: Start with the actual supply date and then apply section 14. Keep the order as commercial evidence, not as the tax conclusion.
Treating every advance as conclusive
Problem: Applying the old rate to goods or services supplied and invoiced after the change solely because money arrived earlier.
Correction: Test the supply-after branch. In the CBIC example, the invoice date controls and the new rate applies.
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Problem: Recording only the customer’s transfer date or only the bank statement date.
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Correction: Retain the books-entry and bank-credit dates and check the statutory earlier-date rule, including the four-working-day bank-credit proviso.
Applying service invoicing rules to goods
Problem: Using the general 30-day taxable-service invoice deadline for a goods transaction.
Correction: Confirm whether the supply is goods or services and use the rule applicable to that category.
Relying on an outdated rule compilation
Problem: Applying the 18% advance-payment fallback or another rule from a compilation ending 1 January 2022 without checking later changes.
Correction: Verify current amendments and the specific rate notification before filing or revising an invoice.
Controls for accounting and order-management systems
Businesses with many open orders should make the legal test visible in their workflow. Useful controls include:
- a field for the rate notification number and effective date;
- separate fields for supply completion, invoice issue, books-entry and bank-credit dates;
- an attachment link or document reference for delivery and service-completion evidence;
- an exception report for advances received before a rate change where supply or invoicing remains open;
- batch-level tracking for staged deliveries; and
- a reconciliation report comparing receipt vouchers with final invoices.
Automation should flag transactions for review; it should not replace the section 14 classification. A rule that simply applies the rate on the advance date will misclassify the CBIC pattern in which supply and invoice occur after the change.
When to obtain professional GST advice
Consult a qualified GST professional when the effective date is unclear, the notification has conditions, supply was partly performed, the customer disputes delivery, payment was routed through an intermediary, or the contract combines goods and services. Advice is also prudent when correcting a large population of invoices or deciding whether a deposit is consideration, a security amount or another type of receipt.
For a live filing, confirm the current CGST Act and Rules, all amendments after 1 January 2022, and the exact rate notification. The historical 2017 FAQ remains useful as an illustration, but it cannot determine a modern transaction whose facts or notification differ.
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