Introduction
Under the Goods and Services Tax (GST) regime, tax becomes payable when a supply of goods or services takes place. However, a transaction involves multiple stages such as placing an order, issuing an invoice, dispatching goods, providing services, receiving
This raises an important question:
At what exact point does GST liability arise?
The answer lies in the concept of Time
of Supply (TOS), which determines the point in time when GST becomes
payable.
The provisions governing Time of Supply
are contained in:
- Section 12 of the
CGST Act – Time of Supply
for Goods
- Section 13 of the
CGST Act – Time of Supply
for Services
Why is Time of Supply Important?
Time of Supply determines:
- The date on which
GST liability arises.
- The tax period in
which GST must be paid.
- The applicable
GST rate if rates change over time.
- Compliance
requirements for taxpayers.
In simple words, Time of Supply acts as
the trigger point for GST payment.
Meaning of Date of Payment
For the Supplier
Date of Payment means:
- Date of entry in
the supplier's books of accounts, or
- Date on which
payment is credited to the supplier's bank account,
Whichever is earlier.
For the Recipient
Date of Payment means:
- Date of entry in
the recipient's books of accounts, or
- Date on which
payment is debited from the recipient's bank account,
Whichever is earlier.
Time of Supply under Forward Charge Mechanism (FCM)
Under FCM, the supplier is liable to pay
GST.
1. Supply of Services (Section 13)
When Invoice is Issued Within Prescribed
Time
Time of Supply will be:
- Invoice Date, or
- Payment Date
Whichever is earlier.
When Invoice is Not Issued Within
Prescribed Time
Time of Supply will be:
- Date of
Completion of Service, or
- Payment Date
Whichever is earlier.
Rescue Provision
If neither of the above can be determined,
the date of entry in the recipient's books of accounts shall be
considered as the Time of Supply.
2. Supply of Goods (Section 12)
When Invoice is Issued Within Time
Time of Supply will be:
- Invoice Date, or
- Payment Date
Whichever is earlier.
When Invoice is Not Issued Within Time
Time of Supply will be:
- Last Date on
which Invoice should have been issued, or
- Payment Date
Whichever is earlier.
Specified Actionable Claims
For specified actionable claims, the same
principle applies:
- Invoice Date (or
Last Date of Issue of Invoice), or
- Payment Date
Whichever is earlier.
Treatment of Advances (Chiller Advance)
Sometimes an amount is received in excess
of the invoice value (maximum up to ₹1,000).
In such cases, the supplier has two
options:
Option 1
Pay GST immediately on the advance
received.
- Time of Supply =
Date of Advance Receipt
Option 2
Do not pay GST on receipt of the advance.
- GST will be paid
when the excess amount is adjusted in the next invoice.
- Time of Supply =
Date of Next Invoice
This option is available for both goods
and services.
Time of Supply under Reverse Charge Mechanism (RCM)
Under RCM, the recipient is liable to pay
GST.
1. Supply of Services
Time of Supply will be:
- Date of Payment,
or
- 61st Day from the
Invoice Date
Whichever is earlier.
Special Case: Associated Enterprises
For services received from Associated
Enterprises located outside India:
Time of Supply will be:
- Date of Payment,
or
- Date of Entry in
Books of Accounts
Whichever is earlier.
2. Supply of Goods
Time of Supply will be:
- Date of Payment,
or
- 31st Day from
Invoice Date, or
- Date of Receipt
of Goods
Whichever is earlier.
Rescue Provision
If the above cannot be determined, the date
of entry in the recipient's books of accounts will be treated as the Time
of Supply.
Time of Supply for Vouchers and Coupons
Businesses often issue vouchers, gift
cards, or coupons.
The Time of Supply depends on whether the
supply is identifiable at the time of issue.
Case 1: Specific Supply Identifiable
Example:
A voucher can be redeemed only for a particular product.
Time of Supply = Date of Issue of
Voucher/Coupon
Case 2: Multiple Supplies Possible
Example:
A gift card redeemable against any product in a store.
Time of Supply = Date of Redemption of
Voucher/Coupon
The same rule applies to both goods and
services.
Residuary Provision
There may be exceptional situations where
the Time of Supply cannot be determined using normal provisions.
Examples:
- Search and
seizure cases
- Special
assessments
- Other unusual
transactions
In such cases, Time of Supply will be:
- Due Date of
Filing Return, or
- Date of Payment
of Tax
As applicable.
Additional Consideration: Interest, Late Fee and Penalty
Sometimes suppliers receive additional
amounts such as:
- Interest for
delayed payment
- Penalty
- Late fee
For such additional amounts:
Time of Supply = Date of Actual Receipt
GST becomes payable only when the
additional amount is actually received.
Quick Summary Table
|
Particulars |
Goods |
Services |
|
FCM – Invoice issued in time |
Earlier of Invoice Date or Payment Date |
Earlier of Invoice Date or Payment Date |
|
FCM – Invoice not issued in time |
Earlier of Last Date of Issue of Invoice
or Payment Date |
Earlier of Completion Date or Payment
Date |
|
RCM |
Earlier of Payment Date, Goods Receipt
Date, or 31st Day from Invoice |
Earlier of Payment Date or 61st Day from
Invoice |
|
Voucher for specific supply |
Date of Issue |
Date of Issue |
|
Voucher for multiple supplies |
Date of Redemption |
Date of Redemption |
|
Interest/Penalty |
Date of Actual Receipt |
Date of Actual Receipt |
Conclusion
The concept of Time of Supply is
one of the most important provisions under GST because it determines the exact
point at which tax liability arises. Whether a transaction involves goods,
services, advances, vouchers, or reverse charge supplies, identifying the
correct Time of Supply ensures timely payment of GST and compliance with
statutory requirements.
A clear understanding of Sections 12 and
13 of the CGST Act helps businesses avoid disputes, penalties, and interest
liabilities while ensuring smooth GST compliance.

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