Reverse Charge Mechanism (RCM) under GST: Complete List of Services, GTA Rules & Self-Invoicing

In standard GST transactions, the rule is straightforward: the supplier of goods or services collects tax from the buyer and deposits it with the government. This is known as the Forward Charge Mechanism (FCM).

However, under the Reverse Charge Mechanism (RCM), the statutory liability to deposit GST shifts completely from the supplier to the recipient.

During statutory audits and tax assessments across industrial hubs in Raipur (Urla, Bhanpuri, Rawabhata) and agricultural belts like Kalahandi and Bargarh, we consistently observe that RCM non-compliance is one of the highest drivers of interest and penalty demand notices issued by GST department authorities.

Taxpayers frequently pay for freight, advocate fees, security services, or director sitting fees without realizing that tax must be deposited in cash via the Electronic Cash Ledger, backed by mandatory self-invoices under Section 31(3)(f).

This guide provides a practical, ground-level analysis of GST RCM provisions, GTA option mechanics, self-invoicing rules, ITC entitlement, and common audit pitfalls.

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1. Statutory Architecture: Section 9(3) vs. Section 9(4)

Reverse charge under the Central Goods and Services Tax (CGST) Act, 2017 rests primarily on two distinct statutory provisions:

A. Section 9(3) of CGST Act: Notified Goods & Services

Under Section 9(3), the Central Government notifies specific categories of goods and services where tax is payable on a reverse charge basis by the recipient, regardless of whether the supplier is registered or unregistered.

• Primary Notification for Services: Notification No. 13/2017-Central Tax (Rate), as amended from time to time.
• Primary Notification for Goods: Notification No. 04/2017-Central Tax (Rate) (covering cashew nuts in shell, bidi wrapper leaves/tendu leaves, raw cotton, silk yarn, supply of lottery, etc.).

B. Section 9(4) of CGST Act: Supplies from Unregistered Persons

Section 9(4) covers supplies received by a registered person from an unregistered supplier. While general across-the-board RCM on all unregistered purchases above Rs. 5,000 per day was suspended in October 2017 and later amended, Section 9(4) remains active for specified sectors—most notably Real Estate Developers and Promoters.

Under Notification No. 07/2019-Central Tax (Rate):

1. 80% Mandatory Procurement: Promoters must procure at least 80% of total inputs and input services from registered suppliers.
2. Shortfall Taxation: If registered procurements fall below 80%, the promoter must pay 18% GST under RCM u/s 9(4) on the shortfall amount.
3. Cement Procurement: If cement is purchased from an unregistered person, 28% GST under RCM must be paid immediately in the month of purchase, regardless of the 80% threshold calculation.

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2. Master Table: Top 10 Notified RCM Services under Section 9(3)

The following table summarizes the most critical RCM service notifications impacting commercial enterprises, manufacturers, and contractors:

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3. Deep Dive: Goods Transport Agency (GTA) RCM Rules

GTA compliance is a primary area of verification during departmental audits in industrial sectors like Urla, Bhanpuri, Durg-Bhilai, and Kalahandi's rice milling clusters.

                    +----------------------------------+
                    | Goods Transport Agency (GTA)     |
                    | Provides Freight Services        |
                    +----------------------------------+
                                     |
             +-----------------------+-----------------------+
             |                                               |
             v                                               v
    +------------------+                            +------------------+
    | GTA Opts FCM     |                            | GTA Opts RCM     |
    | (Annexure V)     |                            | (Default Option) |
    +------------------+                            +------------------+
             |                                               |
     +-------+-------+                                       v
     |               |                              +------------------+
     v               v                              | Recipient Pays   |
+---------+     +---------+                         | 5% GST in Cash   |
| 12% FCM |     | 5% FCM  |                         | via GSTR-3B      |
| (With   |     | (Without|                         +------------------+
| Full    |     | ITC for |                                  |
| ITC)    |     | GTA)    |                                  v
+---------+     +---------+                         +------------------+
                                                    | Recipient Claims |
                                                    | ITC (Subject to  |
                                                    | Sec 17(5) Rules) |
                                                    +------------------+

FCM vs. RCM Options Available to GTA

Since July 18, 2022 (and further refined in subsequent notifications), a GTA can choose between two main compliance mechanisms:

1. Forward Charge Mechanism (FCM):

   • Option A (12% Rate): GTA bills 12% GST (6% CGST + 6% SGST or 12% IGST) with full Input Tax Credit (ITC) eligibility on trucks, fuel, and capital goods.
   • Option B (5% Rate): GTA bills 5% GST without taking ITC on inputs/input services.
   • Mandatory Portal Declaration (Annexure V): To opt for FCM in any financial year, the GTA must file Annexure V on the GST portal on or before 15th March of the preceding financial year (or within 45 days of obtaining registration for new units).
   • Once chosen, the GTA must print the standard statutory declaration on every tax invoice stating that Annexure V has been filed.

2. Reverse Charge Mechanism (RCM - 5% Rate):

   • If the GTA does not opt for FCM (or fails to file Annexure V), the default mechanism applies.
   • The GTA issues a consignment note without charging GST.
   • The recipient of transport service (the person who pays or is liable to pay freight) must deposit 5% GST under RCM.

Crucial Update on Freight Exemptions: Taxpayers must note that Notification No. 04/2022-Central Tax (Rate) withdrew the historical RCM freight exemptions (earlier exempting single consignment freight up to Rs. 750 or total vehicle freight up to Rs. 1,500 per trip). Today, every single rupee of GTA freight paid by a registered business attracts 5% RCM GST, unless specifically exempt (such as transport of agricultural produce, organic manure, or defense equipment).

Ground Reality for Manufacturers & Rerollers in Chhattisgarh

In industrial zones like Urla, Bhanpuri, and Durg, steel re-rolling mills and raw material traders engage unorganized lorry owners and local transport contractors.

If the transport supplier is not a registered GTA issuing FCM invoices with the Annexure V declaration, the steel unit must self-assess RCM on the freight paid (or freight deducted from gross billings) and pay 5% GST directly via Electronic Cash Ledger.

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4. Key Notified RCM Services: Practitioner Analysis

A. Director Remuneration (Circular No. 140/10/2020-GST)

A frequent audit query involves payments made by companies to their directors. Taxability depends entirely on the contractual relationship:

• Executive Directors (Managing / Whole-Time Directors):
  • If paid as salary and subjected to TDS under Section 192 of the Income Tax Act, 1961, the remuneration forms part of an employer-employee contract.
  • Under Schedule III of the CGST Act, this is neither a supply of goods nor a supply of services. No GST or RCM applies.
• Non-Executive Directors / Independent Directors / Sitting Fees:
  • If paid as director sitting fees, commission, or professional fees subjected to TDS under Section 194J of the Income Tax Act.
  • This constitutes a service provided to the company. The company must pay 18% GST under RCM u/s 9(3).

B. Security Services

RCM applies on security service contracts under the following conditions:

• Supplier Condition: The security agency must be a non-body corporate (such as a sole proprietorship, partnership firm, or LLP).
• Recipient Condition: The service recipient must be a registered Body Corporate (e.g., Private Limited or Public Limited company).
• Exemptions: If the security agency itself is a Body Corporate (e.g., Private Limited security firm), FCM applies; the agency charges 18% GST on its invoice. RCM also does not apply if the recipient is a government entity or a composition taxpayer.

C. Legal Services by Advocates

Services supplied by an individual advocate, senior advocate, or a firm of advocates by way of legal representation or legal advice to any business entity attract 18% GST under RCM.

• The business entity paying the fee must pay the 18% tax in cash.
• Turnover Threshold Exception: If the business entity's aggregate turnover in the preceding financial year was below the GST registration threshold limit (Rs. 20 Lakhs for services / Rs. 40 Lakhs for goods in CG & Odisha), legal services received by such entity are exempt from GST altogether.

D. Renting of Residential Dwelling to Registered Person

Effective from July 18, 2022 (Notification No. 05/2022-Central Tax (Rate)):

• When a registered business entity rents a residential house/apartment (even from an unregistered landlord), the registered tenant must pay 18% GST under RCM.
• Carve-out for Sole Proprietors: If a sole proprietor rents a residential dwelling in their personal capacity for personal residence, and not on business account, RCM GST does not apply.

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5. Mandatory Compliance: Self-Invoicing u/s 31(3)(f) & Payment Vouchers u/s 31(3)(g)

One of the most overlooked administrative aspects of RCM is mandatory documentation.

+-----------------------------------------------------------------------------------+
|                           RCM DOCUMENTATION WORKFLOW                              |
+-----------------------------------------------------------------------------------+
|                                                                                   |
|  1. Unregistered Supplier Provides Goods/Services (e.g., Freight / Rent)         |
|                                                                                   |
|  2. Recipient Issue Self-Invoice u/s 31(3)(f)                                     |
|     - Unique Invoice Series per FY                                                |
|     - Mention 'Tax Payable under Reverse Charge: YES'                             |
|                                                                                   |
|  3. Recipient Issue Payment Voucher u/s 31(3)(g)                                  |
|     - Issued at the time of making payment to unregistered supplier               |
|                                                                                   |
|  4. Recipient Deposits Tax via GSTR-3B Table 3.1(d) IN CASH ONLY                 |
|                                                                                   |
|  5. Recipient Claims ITC in Table 4(A)(3) of GSTR-3B                              |
|     - Based on Self-Invoice & Cash Deposit Proof                                  |
|                                                                                   |
+-----------------------------------------------------------------------------------+

Self-Invoicing Requirement [Section 31(3)(f)]

When a registered person receives taxable goods or services from an unregistered supplier under Section 9(3) or Section 9(4), the recipient must issue a Self-Invoice on the date of receipt of goods or services.

• Invoice Content: Must contain all details prescribed under Rule 46 of CGST Rules, including sequential serial numbering, description of service, taxable value, and tax rate.
• Reporting in Returns: Self-invoices are accounted in internal books and form the supporting document for claiming Input Tax Credit.

Payment Voucher Requirement [Section 31(3)(g)]

A registered person liable to pay tax under RCM (whether the supplier is registered or unregistered) must issue a Payment Voucher at the time of making payment to the supplier.

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6. Time of Supply & Payment Mechanics for RCM

A. Time of Supply for Services under RCM [Section 13(3)]

The time of supply for services under RCM is determined by the earliest of the following dates:

1. Date of payment as entered in the books of account of the recipient, OR date of debit in the bank account (whichever is earlier); OR
2. The date immediately following 60 days from the date of issue of invoice by the supplier.

If it is not possible to determine the time of supply under these clauses, the time of supply shall be the date of entry in the books of account of the recipient.

Practical Risk: If a PWD civil contractor in Chhattisgarh receives freight or advocate bills dated April 10, but delays payment beyond 60 days (i.e., past June 9), the Time of Supply shifts strictly to June 10. Tax liability arises in June, and delayed payment beyond the due date of June GSTR-3B attracts statutory interest under Section 50 at 18% per annum.

B. Mandatory Payment through Electronic Cash Ledger

Under Section 49(4) of the CGST Act, Input Tax Credit (ITC) standing in the Electronic Credit Ledger can ONLY be used for paying output tax under Forward Charge.

• RCM liability CANNOT be set off or paid using accumulated Input Tax Credit.
• RCM tax MUST be paid 100% in CASH by debiting the Electronic Cash Ledger during GSTR-3B filing.

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7. Input Tax Credit (ITC) Entitlement on RCM Tax Paid

Paying RCM tax is half the equation; claiming ITC correctly completes it.

Statutory Conditions for RCM ITC:

1. Rule 36(1)(b) Document: The tax invoice or self-invoice generated under Section 31(3)(f), along with proof of payment of tax, serves as the valid document for claiming ITC.
2. Payment Condition: Recipient can claim ITC in Table 4(A)(3) of GSTR-3B only after discharging the RCM liability in cash in the same or subsequent month's GSTR-3B.
3. Business Purpose Test u/s 16(1): The underlying goods or services must be used or intended to be used in the course or furtherance of business.

Watch Out for Blocked Credits u/s 17(5)

A common mistake during internal compliance reviews is assuming that because RCM GST was paid in cash, ITC is automatically available. Section 17(5) restrictions apply equally to RCM payments.

• Renting of Motor Vehicles: If a company pays RCM on passenger motor vehicle hire (seating capacity <= 13), ITC is BLOCKED under Section 17(5)(a), unless used for eligible sub-lines of business (e.g., further supply of passenger transport).
• Personal Security / Catering / Club Membership: RCM paid on security for personal residential premises of executives or catering services is blocked.
• Residential Dwelling for Employee Residence: RCM paid on residential rent where the house is provided free of cost to employees as personal accommodation may face ITC disallowance under Section 17(5)(g).

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8. Common RCM Audit Pitfalls Observed in Tax Practice

From our handling of departmental GST audits (GST ASMT-10 notices, Section 65 audits, and DGGI enquiries) across Chhattisgarh and Odisha, we frequently spot these errors:

1. Reconciliation Mismatches in P&L Expenses: Departmental auditors cross-examine Ledger Accounts (Freight Inward/Outward, Legal Expenses, Director Fees, Security Charges, Vehicle Hire) with GSTR-3B Table 3.1(d). Any un-explained gap leads to demand notices with interest and penalties under Section 73/74.
2. Paying RCM via Credit Ledger: Utilizing available ITC balances to discharge RCM liability instead of paying cash. The department treats this as non-payment of tax, demanding cash payment along with 18% interest.
3. Failure to Issue Self-Invoices: Claiming RCM ITC without maintaining sequential self-invoices under Section 31(3)(f).
4. Ignoring Subsidized Lorry Freight Deductions: Trading units paying net freight after deducting loading/unloading shortages often compute RCM only on net paid amounts rather than gross freight values.

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9. Practical Compliance Checklist for Businesses

To ensure complete RCM compliance, your accounting team should implement the following month-end controls:

• Monthly P&L Ledger Screening: Filter ledger accounts for Freight, Legal Fees, Security, Rent, Director Fees, and Sponsorship.
• Verify GTA Annexure V Declarations: Ensure every GTA invoice billed under 5%/12% FCM carries the required portal declaration text. If missing, treat as RCM.
• Generate Sequential Self-Invoices: Maintain a dedicated invoice series (e.g., RABI/RCM/25-26/001) for unregistered RCM procurements.
• Deposit Cash via GSTR-3B Table 3.1(d): Ensure sufficient balance in Electronic Cash Ledger before filing return.
• Cross-verify Section 17(5) Ineligibility: Segregate eligible vs. blocked RCM ITC before populating GSTR-3B Table 4(A)(3) and Table 4(B)(2).

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Professional Advisory & Compliance Support

Navigating the Reverse Charge Mechanism requires continuous reconciliation between your operational ledgers, purchase registers, and GST filings. Small oversights in freight classification or director remuneration can accumulate into substantial interest liabilities over a multi-year audit cycle.

At Rabi Agrawal & Associates, our team provides comprehensive GST advisory, monthly compliance reviews, RCM ledger reconciliations, and representation services before GST authorities across Chhattisgarh and Odisha.

Contact Our Tax Practice:

• Raipur Office: Commercial Complex, Urla / Pandri, Raipur, Chhattisgarh.
• Kalahandi Office: Main Road, Junagarh / Bhawanipatna, Kalahandi, Odisha.
• Email: info@carabiagrawal.com | Phone: +91-94370-55555 / +91-771-4000000