After you identify that a transaction is a supply, GST law asks two big practical questions:
Alongside, the law requires proper documentation:
You should be able to:
GST is administered through returns filed for specific periods (monthly/quarterly). So:
Time of supply is the point in time when GST liability arises for a supply (concept). It is used to decide:
You will learn detailed rules separately for goods and services; for now focus on the idea that the “earliest relevant event” generally triggers liability (concept).
At a basic level (overview), time of supply may be linked to:
Remember: detailed legal rules specify which event applies and in what order; exams at basics level usually want the concept + 2–3 trigger points.
Place of supply is the rule-based location treated as the destination/consumption place of the supply (concept). Its purpose is to:
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Importance of time of supply (concept):
Any three well-written points are sufficient.
Differences (concept):
Any three differences are sufficient.
Goods and Services Tax (GST) is an indirect tax (or consumption tax) used in India on the supply of goods and services. It is a comprehensive, multistage, destination-based tax: comprehensive because it has subsumed almost all the indirect taxes except a few state taxes.
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After you identify that a transaction is a supply, GST law asks two big practical questions:
Alongside, the law requires proper documentation:
You should be able to:
GST is administered through returns filed for specific periods (monthly/quarterly). So:
Time of supply is the point in time when GST liability arises for a supply (concept). It is used to decide:
You will learn detailed rules separately for goods and services; for now focus on the idea that the “earliest relevant event” generally triggers liability (concept).
At a basic level (overview), time of supply may be linked to:
Remember: detailed legal rules specify which event applies and in what order; exams at basics level usually want the concept + 2–3 trigger points.
Place of supply is the rule-based location treated as the destination/consumption place of the supply (concept). Its purpose is to:
This is a high-frequency exam area: always write the table and the decision rule.
A tax invoice is the primary document issued for taxable supplies, showing:
Importance (exam points):
Write as a checklist in exams (basics):
E-invoicing does not mean “sending PDF by email”. It refers to generating an invoice in a standard format and getting a unique reference/validation (IRN) for specified taxpayers/categories (concept/overview).
Benefits (overview):
Supply identified
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v
Determine place of supply -> decide IGST vs CGST+SGST
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v
Determine time of supply -> decide tax period
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v
Issue invoice (tax invoice / bill of supply) (+ e-invoice if applicable)
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v
Report in returns + pay tax
Case 1 (Place of supply decides IGST): Supplier in Rajasthan provides service to recipient in Karnataka; place of supply is Karnataka → IGST applies (concept).
Case 2 (Time of supply concept): If invoice is issued in March but payment received in April, the “time of supply” rule determines which month’s return will include the tax (concept/overview).
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Time of supply is the time when GST liability arises for a supply, used to decide the return/tax period (concept).
GST is paid through periodic returns, so law needs a rule to assign a supply to the correct period and prevent delay/manipulation (concept).
Conclusion: Time of supply rules ensure timely tax payment and correct period reporting (concept).