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Indian buyers under-account RCM on notified Section 9(3) categories like GTA, advocates, and director's fees, and real-estate developers miscompute the Section 9(4) 80 percent shortfall, leading to interest, penalty, and ITC denial.
Two parallel regimes apply. Section 9(3) is a permanent recipient-pays list under Notification 13/2017-CTR. Section 9(4) currently binds real-estate promoters under Notification 7/2019-CTR with an 80 percent registered-procurement threshold and a separate 28 percent cement rule. Both require self-invoice under Rule 46(c), cash payment under Section 49(4), and ITC subject to Section 17(5).
Tag every vendor master with RCM applicability. Run a monthly 9(3) ledger scan across GTA, legal, security, sponsorship, director payouts, and import of services. For real-estate, maintain a project-wise inward register split between registered, unregistered non-cement, and cement, and compute the shortfall against the 80 percent threshold at financial year close.
Monthly RCM cash payable summary, self-invoice register reconciled to GSTR-3B Table 3.1(d), ITC claimed in Table 4(A)(3), and year-end Section 9(4) shortfall reconciliation for real-estate promoters.
Two GST provisions move tax liability from supplier to buyer. Section 9(3) of the CGST Act does it permanently for a notified list. Section 9(4) does it conditionally for purchases from unregistered suppliers, but only where the recipient class is notified. For most Indian businesses, that means 9(3) is a recurring monthly reality, and 9(4) is a real-estate-developer concern. This playbook walks through both, with the documentation chain, the ITC cycle, and a worked example for a 220 crore rupee residential developer.
Quick reference
| Provision | Who pays GST | Typical examples | Self-invoice needed |
|---|---|---|---|
| Section 9(3) | Recipient, regardless of supplier registration | GTA freight, advocate fees, director sitting fees, sponsorship, security services from non-body-corporate, import of services | Yes, if supplier unregistered. If registered, supplier issues RCM invoice |
| Section 9(4) | Notified recipient class only, when procuring from unregistered | Real-estate promoter inward shortfall against 80 percent threshold; cement at 28 percent | Yes, always — supplier is unregistered by definition |
| Section 5(3) and 5(4), IGST | Same logic as 9(3) and 9(4) for inter-state | OIDAR, import of services, ocean freight historically | Yes, where supplier unregistered |
What does Section 9(3) actually cover?
Section 9(3) of the CGST Act empowers the government to notify categories of supply where the recipient pays tax instead of the supplier. The operative list is in Notification 13/2017-Central Tax (Rate), amended several times since. The categories that show up most often in a typical company’s payables ledger are:
- Goods Transport Agency services where the GTA has not opted for forward charge at 12 percent. Default RCM rate is 5 percent without ITC for the GTA, but recipient claims ITC on RCM paid subject to Section 17(5).
- Services of an individual advocate, firm of advocates, or senior advocate to a business entity. Litigation fees, retainerships, and opinions all fall in.
- Services by a director of a company or body corporate to that company. This is narrowly read — sitting fees and commissions on board service are covered; salary paid to a whole-time director under an employment contract is outside GST entirely and outside RCM by extension. The clarification in Circular 140/10/2020-GST settled the employee-versus-non-employee question.
- Sponsorship services provided to a body corporate or partnership firm.
- Security services (supply of security personnel) provided by any person other than a body corporate to a registered person.
- Services supplied by the Central Government, State Government, Union Territory, or local authority, with carve-outs.
- Import of services — any service supplied by a person located in a non-taxable territory to a person in the taxable territory, other than OIDAR services to a non-taxable online recipient.
- Services by an insurance agent, recovery agent, or business facilitator to a banking company or NBFC.
The supplier in a 9(3) category is exempted from charging GST on the invoice. The supplier still mentions “Tax payable on reverse charge” on the tax invoice if registered, per Rule 46. If the supplier is unregistered, the recipient must raise a self-invoice under Rule 46(c) on the date of receipt of supply, and a payment voucher under Rule 52 at the time of payment.
How is Section 9(4) different, and who does it bind today?
Section 9(4) originally cast a wide net — any registered recipient buying from any unregistered supplier had to pay RCM. That sweep was suspended in October 2017 and never returned in the original form. The 2019 amendment narrowed Section 9(4) to “specified categories of goods or services or both received by a specified class of registered persons from unregistered suppliers.”
The single live notification under this rewritten Section 9(4) is Notification 7/2019-Central Tax (Rate), which targets real-estate promoters under the new rate scheme (1 percent for affordable housing, 5 percent for other residential, without ITC). It carries two distinct obligations:
- A registered promoter must procure at least 80 percent of inward supplies of goods and services by value from registered suppliers in a financial year, computed project-wise. Any shortfall against the 80 percent threshold attracts RCM at 18 percent on the value of the shortfall. The shortfall is computed at the close of the financial year and paid by the developer.
- Cement procured from an unregistered supplier attracts RCM at 28 percent, regardless of the 80 percent test. Cement is excluded from both numerator and denominator when computing the 80 percent ratio. The RCM is payable in the month of procurement, not at year-end.
Capital goods procured from unregistered persons by the promoter also attract RCM at the rate applicable to such goods. This is a less-discussed third leg of the 7/2019 framework.
What documentation does RCM require?
Three documents form the chain. The tax invoice or self-invoice under Rule 46 or 46(c). The payment voucher under Rule 52, raised when payment is made to the supplier. And the entry in GSTR-3B Table 3.1(d) for RCM payable, mirrored by an ITC entry in Table 4(A)(3) if the recipient is eligible.
Rule 46(c) requires that a self-invoice carry the same particulars as a normal tax invoice — recipient and supplier details (with the recipient appearing as the “issuer”), description of supply, value, rate, and tax amount. A consolidated self-invoice for all unregistered procurements during a month is permitted for Section 9(3) categories where individual invoice value is below 5,000 rupees per day, but real-estate developers under 9(4) typically need transaction-level self-invoices to defend the cement and shortfall computation in scrutiny.
How does the ITC cycle work?
Section 49(4) blocks the electronic credit ledger from being used to discharge RCM liability. The RCM must be paid in cash through the electronic cash ledger. This is the single most common breakage point — finance teams sometimes net off RCM payable against accumulated ITC in working papers, then discover at scrutiny that the cash payment was never made.
Once the RCM is paid in cash and reported in Table 3.1(d), the corresponding ITC can be claimed in Table 4(A)(3) of the same return, subject to Section 17(5). The blocked credit list under 17(5) still applies — for example, RCM paid on motor vehicle hire (where applicable) does not yield ITC for a non-transport business, and RCM on construction services received by a developer is subject to the broader 17(5)(c) and 17(5)(d) restrictions for the developer’s own business of constructing immovable property.
For real-estate developers under the new rate scheme, the RCM paid under Section 9(4) is generally not creditable, because the underlying output supply (residential apartments at 1 percent or 5 percent) is taxed without ITC. The RCM becomes a hard cost.
Worked example: 220 crore rupee residential developer
A real-estate promoter is constructing two residential projects under the new rate scheme (5 percent without ITC) during financial year 2025-26. Project A has an inward turnover of 140 crore rupees and Project B has 80 crore rupees. The split between registered and unregistered procurement, excluding cement, looks like this:
| Project | Total inward excluding cement (cr) | From registered (cr) | From unregistered (cr) | Registered ratio |
|---|---|---|---|---|
| Project A | 120 | 102 | 18 | 85.0 percent |
| Project B | 70 | 52.5 | 17.5 | 75.0 percent |
Project A clears the 80 percent threshold comfortably. No shortfall RCM under Notification 7/2019. Project B falls short of 80 percent. The required registered procurement at 80 percent of 70 crore is 56 crore. Actual registered procurement is 52.5 crore. The shortfall is 3.5 crore. RCM at 18 percent on 3.5 crore is 63 lakh rupees, payable in cash at financial year close.
Cement procurement is tracked separately. Across both projects, cement procured from registered suppliers totalled 22 crore and cement from unregistered suppliers totalled 2.4 crore during the year. The 2.4 crore from unregistered suppliers attracts RCM at 28 percent — 67.2 lakh rupees — payable in the month of each procurement, not at year-end.
Monthly RCM payable summary for the developer therefore consists of:
| RCM head | Trigger | Rate | Annual liability | Payment timing |
|---|---|---|---|---|
| Section 9(3) — advocate fees, GTA, director sitting fees | Notification 13/2017-CTR categories | Applicable rate | Per occurrence | Monthly in GSTR-3B |
| Section 9(4) — cement from unregistered | Any cement procurement from unregistered | 28 percent | 67.2 lakh | Month of procurement |
| Section 9(4) — 80 percent shortfall | FY-end test, project-wise | 18 percent | 63 lakh | Year-end |
All three buckets are paid in cash under Section 49(4). For this developer under the new rate scheme, none of the RCM yields creditable ITC because the output supply is taxed without ITC. The 1.3 crore of RCM is a margin cost, and the procurement strategy for next year should optimise registered-supplier share on Project B to eliminate the shortfall trigger.
Buyers and finance leaders who want a structured way to size annual ITC and RCM exposure across vendor categories can model the impact using the ITC leakage calculator.
What goes wrong in practice?
Three errors recur across scrutiny notices. First, missed 9(3) RCM on advocate retainerships and director sitting fees — finance teams account these correctly as expenses but skip the RCM entry because no GST appears on the invoice. Second, payment of RCM through the credit ledger in violation of Section 49(4), often discovered only at audit. Third, real-estate developers mis-classifying cement RCM as part of the 80 percent computation instead of as a standalone monthly 28 percent liability.
A vendor master tagged with RCM applicability at onboarding catches the first error. A monthly cash-ledger reconciliation against Table 3.1(d) catches the second. A project-wise procurement register, split into registered, unregistered non-cement, and cement, catches the third.
Closing
Section 9(3) is a monthly discipline — a vendor master tagged for RCM, a self-invoice register, and a Table 3.1(d) entry reconciled to the cash ledger. Section 9(4) is a real-estate developer’s annual computation plus a monthly cement obligation. Both regimes converge on the same documentation chain under Rule 46(c), the same cash-payment requirement under Section 49(4), and the same ITC eligibility check under Section 17(5).
Finance teams that bolt RCM detection onto invoice ingestion at source, rather than scrambling at GSTR-3B filing, eliminate interest exposure under Section 50 and the late-claim ITC denials under Section 16(4). For broader coverage of GST input reconciliation and 2B matching, see GST reconciliation software and our broader reconciliation software India overview.