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CS Executive GST Revision: Time, Value & Place of Supply Concepts

CS Executive GST revision covers Time, Place, and Value of Supply with exam-focused clarity. It explains when GST liability arises, where supply is taxed, and how taxable value is computed. Includes FCM, RCM, inclusions, exclusions, valuation rules, and practical examples to simplify concepts and strengthen scoring potential for June/Dec 2026 exams.
authorImageAarti .29 May, 2026
CS Executive GST Revision: Time, Value & Place of Supply Concepts

GST is one of the most important subjects in the CS Executive examination, and topics like Time of Supply, Place of Supply, and Value of Supply carry regular weightage in exams. These concepts are important because they help students understand when GST becomes payable, where GST is applicable, and on which amount GST should be calculated.

Many students find these chapters confusing because they contain multiple scenarios, conditions, and practical situations. However, with proper revision and simplified understanding, these topics become much easier to remember for the exam.

This GST revision session focuses on quick conceptual clarity, case-based understanding, and exam-oriented revision.

What Is Covered in This GST Revision Session for CS Executive?

The class is designed as a fast revision session where students can revise multiple concepts in a short time. Instead of lengthy theoretical explanations, the session uses practical scenarios and simplified examples to explain GST provisions. This revision session mainly focuses on three important GST chapters:

  • Place of Supply

  • Time of Supply

  • Value of Supply

Place of Supply (POS)

GST is a destination-based tax. Determining the Place of Supply (POS) is critical to identify if a supply is inter-state or intra-state (or intra-UT). This classification then dictates the applicable GST:

  • IGST (Integrated Goods and Service Tax): For inter-state supplies.

  • CGST + SGST (Central Goods and Service Tax + State Goods and Service Tax): For intra-state supplies.

  • CGST + UTGST (Central Goods and Service Tax + Union Territory Goods and Service Tax): For intra-Union Territory supplies.

The classification depends on the Location of Supplier and the Place of Supply. This helps determine which type of GST applies and which state government receives the tax revenue.

Place of Supply for Goods (Other than Import and Export) - Section 10

  • Supply Involving Movement of Goods: POS is the location where goods movement terminates for delivery.

  • Goods Delivered to Third Person on Recipient's Instruction: POS is the Principal Place of Business (PPOB) of that third person.

  • Supply Without Movement of Goods: POS is the location of goods at the time of delivery.

  • Supply to Unregistered Person: If address in invoice, POS is address mentioned. No address, POS is supplier's location. [VERBAL EMPHASIS] A frequently asked exam question.

  • Assembly or Installation at Site: POS is the place where assembly or installation occurs.

  • Goods Supplied On-board a Conveyance: For moving aircraft, train, or vessel, POS is the location where goods are loaded onto the conveyance.

Place of Supply for Services (Other than Import and Export) - Section 12

  • Services Related to Immovable Property: POS is the location of the immovable property. For property outside India, POS is the recipient's location. If involving multiple states, POS is prorated.

  • Restaurant, Catering, Personal Grooming, Fitness, Beauty Treatment: POS is the location where services are actually performed.

  • Training and Performance Appraisal Services:

    • Business-to-Business (B2B): POS is the recipient's location.

    • Business-to-Consumer (B2C): POS is the location where service is actually performed.

  • Entry to an Event or Amusement Park: POS is the location where the event or park is held.

  • Event Organization or Sponsorship Services:

    • B2B: POS is the recipient's location.

    • B2C: POS is the event's actual location. If event outside India, POS is recipient's location. Multiple states: prorated.

  • Transportation of Goods:

    • B2B: POS is the recipient's location.

    • B2C: POS is the handover location for goods. [An important exam point]

  • Passenger Transportation Service:

    • B2B: POS is the recipient's location.

    • B2C: POS is the place where the passenger embarks on the journey.

  • Services On-board a Conveyance: For airborne/sea-borne/rail-borne conveyances, POS is the location of the first scheduled departure. [ A must-know exam point]

  • Banking and Financial Services (including Stock Broking): POS is the recipient's location as per supplier's records. If recipient's location unknown, POS is the supplier's location.

  • Insurance Services:

    • B2B: POS is the recipient's location.

    • B2C: POS is the recipient's location.

  • Advertisement Services: POS is the location(s) where the advertisement is disseminated.

  • Telecommunication Services: For fixed line, leased circuits, internet (equipment installation), POS is the location where equipment is installed. For services through an agent: POS is the recipient's location.

Place of Supply for Services (Supplier or Recipient Outside India) - Section 13

  • Services Requiring Physical Presence of Goods: POS is the location where services are actually performed (where goods are physically present).

  • Services Provided Remotely (e.g., via AnyDesk): POS is the location where goods are situated at the time of service supply.

  • Services Requiring Physical Presence of an Individual: POS is the location where services are actually performed.

  • Services Related to Immovable Property: POS is the location of the immovable property.

  • Cultural, Artistic, Sporting, Scientific, Educational, Entertainment Events: POS is the location where the event is actually held.

  • Services in Multiple States (at least one in India): If service (from previous points) is in multiple states, with at least one in India, POS is the location within taxable territory of India. If covering multiple states, POS is pro-rata.

  • Banking, Financial, Insurance, and Intermediary Services: POS is the location of the supplier of services.

  • Passenger Transportation Services: POS is the place where the passenger embarks on the journey.

  • Services On-board a Conveyance: POS is the location of the first scheduled departure of that conveyance.

  • Online Information and Database Access or Retrieval (OIDAR) Services: POS is the recipient's location. OIDAR providers (often non-Indian) require special registration for services to Indian recipients.

Time of Supply (TOS)

The Time of Supply (TOS) determines when GST liability arises, crucial as events (invoice, payment, movement) occur on different dates.

Time of Supply for Forward Charge Mechanism (FCM)

Time of Supply for Goods (FCM)

TOS is the earliest of:

  1. Date of Issue of Invoice OR Last Date by which Invoice should have been issued (as per Section 31).

  2. Date of Receipt of Payment by supplier (earlier of book entry or bank credit).
    No GST is levied on advance payments for goods under FCM.

Time of Supply for Services (FCM)

  • Invoice issued within time limit (Section 31): TOS is the earliest of:

  1. Date of Issue of Invoice.

  2. Date of Receipt of Payment by supplier (earlier of book entry or bank credit).

  • Invoice NOT issued within time limit (Section 31): TOS is the earliest of:

  1. Date of Provision of Service.

  2. Date of Receipt of Payment by supplier (earlier of book entry or bank credit).
    [VERBAL EMPHASIS] GST is levied on advance payments for services under FCM.

Time of Supply for Reverse Charge Mechanism (RCM)

Under RCM, the recipient is liable to pay tax.

Time of Supply for Goods (RCM)

TOS is the earliest of:

  1. Date of Receipt of Goods.

  2. Date of Payment by recipient (earlier of book entry or bank debit).

  3. 31st Day from the Date of Issue of Invoice by the supplier.

Time of Supply for Services (RCM)

TOS is the earliest of:

  1. Date of Payment by recipient (earlier of book entry or bank debit).

  2. 61st Day from the Date of Issue of Invoice by the supplier.
    [VERBAL EMPHASIS] For RCM, GST is levied on advance payments for both goods and services.

Time of Supply for Interest, Late Fees, and Penalties

TOS for interest, late fees, or penalties for delayed payments is the date such amount is actually received.

Value of Supply (VOS)

Value of Supply (VOS) is the taxable value for GST. It defines on what amount GST is Value of Supply (VOS) is the taxable value for GST. It defines on what amount GST is charged. Generally, VOS is the transaction value if parties are unrelated and price is sole consideration.

Inclusions in Value of Supply

The following must be included in VOS:

  • Taxes, Duties, Cesses, Fees, and Charges: Other levies (excluding GST) if separately charged.

  • Third-Party Payments by Recipient: Amounts supplier was liable to pay, but recipient paid.

  • Incidental Expenses: Commission, packing, freight, etc., if separately charged.

  • Interest, Late Fees, Penalties: For delayed payment of consideration.

  • Subsidies: Direct price-linked subsidies, excluding those from Central or State Governments.

Exclusions from Value of Supply (Discounts)

Discounts can be excluded from VOS if conditions are met:

  • Discount BEFORE or AT THE TIME OF SUPPLY: Must be recorded in the invoice.

  • Discount AFTER THE TIME OF SUPPLY:

  • Must be established by agreement at or before supply.

  • Input Tax Credit (ITC) related to discount must be reversed by the recipient.

Examples of Inclusions/Exclusions in VOS

  • NGO Subsidy: Included

  • Central/State Government Subsidy: Not Included

  • Municipal Authority Tax: Included

  • Packing Charges: Included

  • Late Fees (if charged): Included

  • Third-Party Inspection Charges: Included

  • Freight Charges: Included

  • Weighment Charges: Included

  • Discount (meeting conditions): Excluded

Rules for Determination of Value of Supply

These rules apply when the transaction value is not solely based on price (e.g., related parties).

  • Rule 27: Supply (Consideration Not Wholly in Money): Based on Open Market Value (OMV). If OMV unavailable, then monetary + non-monetary consideration, or like kind/quality, or Rule 30/31.

  • Rule 30: Value Based on Cost: 110% of cost of production/manufacture/acquisition.

  • Rule 31: Residual Method: Value by reasonable means consistent with Section 15.

  • Rule 33: Pure Agent: Expenditure by supplier as pure agent is excluded from VOS.

  • Rule 28: Value Between Distinct or Related Persons: Based on OMV. If OMV is unavailable, then like kind/quality, or Rule 30 (110% of cost), or Rule 31.

  • Rule 32: Trading of Foreign Currency: Value is the difference between the buying/selling rate and RBI reference rate (multiplied by currency amount). If no RBI rate, 1% of gross INR amount.

  • Rule 34: Rate of Exchange of Currency: The Board determines exchange rate for non-INR currencies.

  • Bank Guarantee by Directors:  A bank guarantee by a director for a company's loan does not attract GST.

Example: Calculating Value from an Inclusive Price

If the total amount charged is inclusive of GST:

  • Taxable Value = Total Amount / (100 + GST Rate%) * 100

  • Tax Amount = Total Amount * GST Rate% / (100 + GST Rate%)

Why These GST Topics Are Important for CS Executive Exams

Time of Supply, Place of Supply, and Value of Supply are among the most important GST topics for CS Executive students. These chapters are important for several reasons:

  • Questions are regularly asked about these topics.

  • Case-study-based questions are common.

  • Numerical questions are mainly asked about the value of Supply.

  • Practical application-based MCQs are frequently framed from the Place of Supply.

  • RCM and FCM provisions are important for conceptual clarity.

  • International transaction provisions are useful for advanced GST understanding.

Students preparing for CS Executive should revise these chapters multiple times because they carry consistent weightage in exams and score comparatively well when concepts are clear.

Regular practice of case-based questions, revision notes, and GST examples can help students strengthen these topics further and improve exam performance.

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