Core concepts
- 01Sec 7 Supply — eight modes; Schedule I (deemed supply), Schedule II (clarification), Schedule III (neither).
- 02Composition scheme (Sec 10): goods ≤ ₹1.5 cr (₹75 lakh special states), services ≤ ₹50 lakh.
- 03Composite (principal supply tax rate) vs Mixed supply (highest tax rate).
- 04Reverse Charge categories — specified services + supplies from unregistered (Sec 9(4) selective).
- 05Place of Supply rules: Sec 10-13 IGST Act — different for goods, services, OIDAR.
Flowchart summary
Supply Identification | Sec 7 (basic) -> Schedule I (deemed) -> Schedule II -> Schedule III (excluded) | Taxable Supply -> Place of Supply -> Time of Supply -> Value | Tax: CGST+SGST (intra) or IGST (inter)
Exam-critical pointers
- ⭐Schedule I: Permanent transfer of business asset (ITC availed), supply between related/distinct persons (employer-employee gifts > ₹50K), principal-agent.
- ⭐Schedule III: Services by employee, court services, function as MP/MLA, sale of land/building (after CC).
- ⭐OIDAR: Online Information & Database Access — special place of supply rules.
- ⭐Sec 9(5): E-commerce operator pays tax on specified services (cab, hotel, restaurant).
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