The Reverse Charge Mechanism (RCM) under GST is a special tax provision where the recipient of goods or services becomes responsible for paying GST instead of the supplier.
Under the normal GST system, the supplier collects tax from the buyer and deposits it with the government. However, in certain specified situations defined under GST law, the tax liability shifts from the supplier to the recipient. This system is known as the Reverse Charge Mechanism.
RCM was introduced to strengthen tax compliance, prevent tax leakage, and ensure proper tax collection in sectors where suppliers are unorganized or difficult to track.
For businesses registered under GST, understanding the Reverse Charge Mechanism is important for tax compliance, Input Tax Credit (ITC), GST return filing, and proper accounting.
Key Highlights of Reverse Charge Mechanism under GST
- Under RCM, the recipient is liable to pay GST instead of the supplier.
- It applies to notified goods and services, purchases from unregistered suppliers, and certain e-commerce transactions.
- Businesses paying tax under RCM can claim Input Tax Credit (ITC) if conditions are satisfied.
- GST under reverse charge must be paid in cash and cannot be paid using ITC.
- Proper self-invoicing, documentation, and reporting in GST returns are required.
What is Reverse Charge Mechanism in GST?
The Reverse Charge Mechanism (RCM) is a taxation method under GST where the recipient of goods or services becomes liable to pay GST directly to the government.
In normal transactions:
Supplier → Collects GST → Pays Government
But under RCM:
Recipient → Pays GST → Directly to Government
This mechanism ensures that tax is collected even when suppliers are unregistered or difficult to regulate.
In certain RCM transactions, the recipient may also be required to:
- Issue a self-invoice
- Issue a payment voucher
- Pay GST in cash
- Claim Input Tax Credit after paying tax
Legal Provisions for Reverse Charge under GST
The Reverse Charge Mechanism is governed by the following provisions of GST law:
| Section | Act | Applicability |
| Section 9(3) | CGST Act | Notified goods and services |
| Section 5(3) | IGST Act | Notified goods and services |
| Section 9(4) | CGST Act | Purchases from unregistered suppliers |
| Section 5(4) | IGST Act | Purchases from unregistered suppliers |
| Section 9(5) | CGST Act | E-commerce transactions |
| Section 5(5) | IGST Act | E-commerce transactions |
Based on these provisions, RCM applies in three main situations.
- Reverse Charge on Notified Goods and Services (Section 9(3))
Under Section 9(3) of the CGST Act, the government has notified certain goods and services where GST must be paid by the recipient under reverse charge.
These categories are usually selected because the suppliers operate in unorganized sectors or tax monitoring is difficult.
Example
If a business hires a Goods Transport Agency (GTA) for transportation services, the recipient of the service is liable to pay GST under RCM.
Notified Goods Covered under RCM
Some goods notified under Section 9(3) include:
| S. No. | Description of Supply | Supplier | Recipient |
| 1 | Cashew nuts (not shelled or peeled) | Agriculturist | Registered person |
| 2 | Bidi wrapper leaves (tendu) | Agriculturist | Registered person |
| 3 | Tobacco leaves | Agriculturist | Registered person |
| 4 | Essential oils (peppermint, spearmint, water mint, horsemint, bergamot) | Unregistered person | Registered person |
| 5 | Silk yarn manufactured from raw silk or cocoons | Manufacturer | Registered person |
| 6 | Raw cotton | Agriculturist | Registered person |
| 7 | Supply of lottery | Government authorities | Lottery distributor |
| 8 | Used vehicles, seized goods, scrap | Government authorities | Registered person |
| 9 | Priority Sector Lending Certificate | Registered person | Registered person |
| 10 | Metal scrap | Unregistered person | Registered person |
Notified Services Covered under RCM
Several services are also notified for reverse charge, including:
- Goods Transport Agency (GTA) services
- Legal services provided by advocates or law firms
- Services of arbitral tribunals
- Sponsorship services
- Government services provided to business entities
- Renting of immovable property by government
- Director services provided to companies
- Insurance agent services
- Recovery agent services for banks and NBFCs
- Security services
- Renting of motor vehicles to body corporates
- Transfer of Development Rights (TDR) or Floor Space Index (FSI)
- Long-term lease of land to promoters
In these cases, the recipient is usually a registered business entity capable of complying with GST obligations, which is why tax liability is shifted.
- Purchases from Unregistered Suppliers (Section 9(4))
Under Section 9(4) of the CGST Act, reverse charge applies when a registered person purchases specified goods or services from an unregistered supplier.
Currently, this provision mainly affects real estate promoters.
Example
If a real estate promoter purchases cement from an unregistered supplier, the promoter must pay GST under reverse charge at 28%.
Supplies Covered under Section 9(4)
| Sl. No. | Category | Recipient |
| 1 | Shortfall from minimum 75% procurement requirement | Promoter |
| 2 | Cement purchased from unregistered suppliers | Promoter |
| 3 | Capital goods purchased from unregistered suppliers | Promoter |
- Reverse Charge for E-commerce Transactions (Section 9(5))
Under Section 9(5) of the CGST Act, the Electronic Commerce Operator (ECO) becomes liable to pay GST for certain services supplied through online platforms.
This provision simplifies tax collection in industries where individual service providers may not be registered under GST.
Example
For cab services booked through ride-hailing platforms, GST is paid by the platform operator instead of the driver.
Services Covered under Section 9(5)
| S. No. | Description of Service | Supplier | Person Liable to Pay GST |
| 1 | Passenger transport by radio taxi, motorcab, motorcycle | Driver | E-commerce operator |
| 2 | Passenger transport by omnibus | Service provider | E-commerce operator |
| 3 | Accommodation services in hotels or guest houses | Property owner | E-commerce operator |
| 4 | Housekeeping services (plumbing, carpentry etc.) | Service provider | E-commerce operator |
| 5 | Restaurant services through platforms | Restaurant | E-commerce operator |
Time of Supply under Reverse Charge Mechanism
The time of supply determines when GST liability arises under RCM.
Time of Supply for Goods
The earliest of:
- Date of receipt of goods
- Date of payment
- 30 days from invoice date
If none can be determined, the date of entry in books of accounts is considered.
Time of Supply for Services
The earliest of:
- Date of payment
- 60 days from invoice date
- Date of recipient’s invoice
If not determinable, the date of entry in books will apply.
GST Compliance Requirements under RCM
Businesses dealing with reverse charge transactions must comply with several GST requirements.
GST Registration
Any person liable to pay tax under reverse charge must obtain GST registration, even if turnover is below the normal threshold limit.
Tax Payment
GST under reverse charge must be paid in cash and cannot be adjusted against Input Tax Credit.
Self-Invoice
If the supplier is not registered under GST, the recipient must issue a self-invoice.
Payment Voucher
A payment voucher must be issued at the time of payment to the supplier.
Input Tax Credit (ITC) under Reverse Charge
A recipient paying GST under reverse charge can claim Input Tax Credit, provided:
- Goods or services are received
- They are used for business purposes
However, ITC can be claimed only after the RCM tax has been paid in cash.
Reporting RCM Transactions in GST Returns
Reverse charge transactions must be correctly reported in GST returns.
| Person | Return | Table | Purpose |
| Recipient | GSTR-3B | Table 3.1(d) | Report RCM liability |
| Recipient | GSTR-3B | Table 4(A)(3) | Claim ITC on RCM |
| Supplier | GSTR-1 | Table 4B | Report supplies liable to RCM |
Maintaining proper records ensures accurate GST compliance and avoids penalties.
Conclusion
The Reverse Charge Mechanism under GST is an important provision designed to ensure proper tax collection and strengthen compliance in specific sectors.
Businesses must clearly understand:
- When RCM applies
- How GST liability arises
- How to pay tax and claim ITC
- How to report RCM transactions in GST returns
Proper understanding of reverse charge provisions helps businesses maintain compliance and avoid GST penalties.
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