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A real-estate developer can claim GST input tax credit (ITC) only when the credit satisfies section 16 of the CGST Act and is not blocked by section 17(5). The project’s selected tax regime is decisive: under the specified 1% affordable-housing or 5% other-residential promoter option, ITC is unavailable. Outside that option, each inward supply must be tested against the works-contract, own-account construction, plant-and-machinery, taxable-use and documentation rules.
The practical answer is invoice-by-invoice. Classify the outward supply, project, supplier status and purpose of every purchase; exclude blocked construction costs; retain the required documents; and calculate any registered-supplier shortfall and common-credit reversal before filing.
What section 16 allows—and why section 17(5) can still deny the credit
Section 16 of the CGST Act is the starting point. It says: “Every registered person shall … be entitled to take credit of input tax charged on any supply of goods or services or both to him which are used or intended to be used in the course or furtherance of his business.” That entitlement is conditional, not automatic. The credit must satisfy the prescribed conditions, restrictions and section 49 payment procedure, and the promoter must hold acceptable evidence of the inward supply.
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Typical Rule 36 evidence includes a supplier tax invoice, debit note, bill of entry or an eligible Input Service Distributor document. The document should identify the recipient, supplier, tax and supply clearly enough to connect the purchase to the project. Supplier-reported data should be reconciled with the developer’s purchase register before credit is taken or retained.
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Even a correctly documented business purchase fails if section 17(5) blocks it. The central question is whether the invoice supports a taxable outward supply in the GST chain, or instead creates or improves an immovable property on the developer’s own account.
When construction and works-contract ITC is blocked
Works-contract services: section 17(5)(c)
Section 17(5)(c) blocks ITC for works-contract services supplied for construction of an immovable property, other than plant and machinery. The exception is narrow: credit can remain available when the works-contract service is itself an input for a further supply of works-contract service.
For example, a contractor that receives a civil works-contract service and then makes a taxable works-contract supply may be within the exception. A developer receiving that same service to construct apartments for sale generally cannot treat the contractor’s bill as eligible merely because the apartments will be sold.
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Goods and services for own-account construction: section 17(5)(d)
Goods or services received for construction of an immovable property on the taxable person’s own account are blocked, even when the property is used in business. This covers a developer’s own construction activity where the inward supplies result in the developer’s immovable property rather than a qualifying further works-contract supply.
“Construction” for these clauses includes reconstruction, renovation, additions, alterations and repairs to the extent the cost is capitalised. Capitalising a civil-structure expense therefore does not make it creditable; it can be the fact that triggers the restriction.
Plant and machinery is a separate classification
The statutory explanation treats plant and machinery differently. It excludes land, buildings and other civil structures, telecommunication towers, and pipelines laid outside factory premises. A machine that is genuinely plant and machinery may therefore be analysed separately, while its foundation, building shell or other civil structure remains subject to the construction restriction. Keep engineering descriptions, capitalization records and invoices detailed enough to show which component is equipment and which is civil work.
How to classify a developer’s invoice
Use the following decision sequence for every material, service and contractor bill:
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Clear out junk files and repair common Windows errorsFree Scan →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →- Identify the project and outward supply. Record the project code, whether the planned supply is residential, commercial, a works-contract service or another taxable supply, and whether the supply will occur before or after completion certificate or first occupation.
- Test the selected rate regime. If the promoter selected the specified 1% or 5% residential option, stop: ITC is unavailable for that option. If not, continue to the section 17(5) tests.
- Ask whether the invoice is a works-contract service. If it is supplied for construction of an immovable property, it is blocked unless it is an input to a further supply of works-contract service.
- Ask whether the purchase constructs an immovable property on the developer’s own account. If yes, section 17(5)(d) generally blocks the credit, including capitalised reconstruction, renovation, additions, alterations and repairs.
- Separate plant and machinery from civil structure. Document qualifying equipment independently; do not assume that a machine-related building or foundation shares the machine’s treatment.
- Apply taxable-use and common-credit rules. Credit used exclusively for taxable outward supplies is treated differently from credit used for exempt supplies or both business and non-business purposes. Common inputs require apportionment and annual true-up.
- Verify the document and supplier trail. Retain the invoice, debit note, bill of entry or eligible ISD document and reconcile supplier-reported details.
The 1% and 5% residential promoter options
CBIC’s 2019 real-estate summary records effective GST of 1% for affordable housing and 5% for residential property outside the affordable segment under the specified promoter option. “Input tax credit shall not be available” under that option. A promoter cannot claim material, contractor or service-provider ITC and simultaneously use the no-ITC rate treatment for the same option.
What counts as affordable housing in that summary
The summary defines an affordable home as one with carpet area up to 90 square metres in a non-metropolitan city or 60 square metres in a metropolitan city, and value up to ₹45 lakh. The listed metropolitan areas are Bengaluru, Chennai, Delhi NCR (limited to Delhi, Noida, Greater Noida, Ghaziabad, Gurgaon and Faridabad), Hyderabad, Kolkata and Mumbai MMR. Both the area and value limits must be checked against the applicable notification and the project’s facts; do not apply the 1% label solely because a unit is small.
Rate-regime comparison
| Issue | Specified 1%/5% residential promoter option | Other GST treatment |
|---|---|---|
| Effective rate recorded by CBIC (2019) | 1% for affordable housing; 5% for other residential property | Rate depends on the applicable supply, notification and project facts |
| ITC | Unavailable under the option | Potentially available only after sections 16 and 17(5), documentation and apportionment tests |
| 80% registered-supplier condition | Applies to relevant inputs and input services, subject to stated exclusions | Do not import this promoter-option test without confirming that the option applies |
| Completion timing | Check booking, completion certificate and first-occupation facts under the applicable notification | Classify supplies by the legal regime in force for the project and supply date |
Project commencement date, booking status, state registration and the date of completion certificate or first occupation can change the analysis. Preserve the notification and election records that support the rate used.
The 80% registered-supplier rule
Under the specified promoter scheme, 80% of the value of relevant inputs and input services must generally come from registered suppliers. The percentage is not a general ITC entitlement; it is a compliance condition attached to that residential rate option.
Items excluded from the percentage calculation
CBIC’s summary excludes development-rights grants, long-term land leases paid upfront, floor space index (FSI), electricity, high-speed diesel, motor spirit and natural gas from the 80% calculation. Inputs subject to reverse charge are counted as purchased from a registered person. Maintain a schedule that shows each exclusion and the reason it was omitted rather than silently removing large invoices.
Shortfall and reverse charge
A shortfall in the 80% requirement generally attracts 18% reverse-charge tax. Cement bought from an unregistered supplier has a separate reverse-charge payment at the applicable rate. These liabilities are distinct from ordinary vendor GST and should be tracked by tax period and project.
Records and timing
Keep project-wise inward-supply accounts identifying supplier GST registration status, taxable value, tax, reverse-charge treatment and excluded categories. Calculate the ratio and any shortfall at the end of the financial year or at the earlier project endpoint required by the applicable rules. Report the resulting liability and credit treatment through the prescribed return process, retaining the workings for audit.
Developer-promoter and landowner-promoter arrangements
In a common joint-development structure, the developer-promoter constructs or converts a building into apartments, or develops a plot for sale. The landowner-promoter transfers land, development rights or FSI and receives constructed apartments, which the landowner then sells independently.
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CBIC states that the landowner-promoter can use the tax charged by the developer-promoter on construction of those apartments only when the landowner further supplies the apartments before completion certificate or first occupation and pays output tax meeting the prescribed comparison condition. The credit is therefore conditional on a subsequent taxable supply and the required output-tax relationship; receiving an apartment from the developer is not, by itself, enough.
Both parties should maintain the development agreement, allocation statement, invoices, construction milestones, booking records and completion or first-occupation evidence. The landowner’s independent sale after the relevant cut-off may not satisfy the condition, so the timing of each onward supply matters.
Common credit, exempt use and annual true-up
A developer may incur professional fees, security, software, finance-related services or site overheads that serve several projects or both taxable and exempt supplies. Apply the Rule 42/43-style apportionment framework where common inputs or capital goods are used for taxable and exempt business, or for business and non-business purposes. Identify exclusive taxable-use invoices first; only the residual common pool should be apportioned.
Prepare a project-wise monthly computation and perform the annual true-up before the statutory deadline. If the final proportion requires more reversal than the provisional amounts, pay the difference with applicable interest where required. If the computation supports additional eligible credit, take it only within the statutory time limits and with the supporting reconciliation.
Worked classification examples
| Invoice or cost | Likely treatment | Reason to document |
|---|---|---|
| Ready-mix concrete supplied for apartments constructed for sale | Blocked where it is goods for own-account immovable-property construction; also unavailable under the specified 1%/5% option | Link the purchase to the apartment project and capitalization or construction records |
| Works-contract bill for the developer’s apartment project | Generally blocked under section 17(5)(c) | Show that the service is not being received for a further taxable supply of works-contract service |
| Subcontracted works-contract service used to make a taxable works-contract supply to a client | Potential exception to section 17(5)(c) | Retain the outward works-contract agreement and demonstrate the direct input relationship |
| Production machine installed in a factory | Analyse as possible plant and machinery credit, separately from civil foundations or buildings | Keep technical specifications, asset register and component-wise invoices |
| Electricity used on a residential project under the promoter option | Excluded from the 80% ratio calculation; it does not create ITC under the no-ITC option | Record the exclusion and the selected rate regime |
| Unregistered cement purchase under the promoter option | Separate reverse-charge payment at the applicable rate | Track quantity, value, tax payment and project allocation |
Practical compliance workflow
- Freeze the legal facts. Note the project’s commencement date, state registration, residential or commercial classification, booking position, completion certificate or first-occupation date, and the rate notification selected.
- Build an invoice register. Capture invoice number and date, supplier GSTIN and registration status, project, supply category, taxable value, tax, reverse-charge flag and capitalization status.
- Mark blocked categories. Tag section 17(5)(c) works-contract services, section 17(5)(d) own-account construction and capitalised civil structures. Create a separate plant-and-machinery file.
- Reconcile evidence. Match purchase-register entries to supplier-reported data and retain Rule 36 documents, import records and ISD distributions where relevant.
- Calculate the 80% ratio when applicable. Remove only the listed exclusions, count eligible reverse-charge inputs as registered purchases, and compute any shortfall and cement liability.
- Apportion common credit. Apply the Rule 42/43-style calculation to mixed taxable, exempt, business and non-business use; complete the annual true-up.
- File and preserve. Report eligible credit, reversals and reverse-charge tax in the applicable GST returns. Keep project-wise workings, contracts and completion evidence ready for departmental review.
Frequent errors and how to correct them
- Claiming ITC because a purchase is “for business.” Business use satisfies only the starting condition. Re-test every construction-related invoice under section 17(5).
- Mixing rate regimes within one project. Record the election and effective date; do not claim credit for periods or supplies covered by the no-ITC residential option.
- Treating all equipment-site costs as plant. Separate the machine from land, building, civil structure, tower, pipeline or foundation components.
- Ignoring supplier registration status. A high-value unregistered-vendor base can create an 80% shortfall and reverse-charge exposure under the promoter scheme.
- Using a landowner’s credit after the timing condition. Tie the landowner’s onward sale to completion-certificate or first-occupation evidence and the prescribed output-tax comparison.
- Leaving common expenses unreconciled. Allocate overheads when incurred and perform the annual true-up rather than carrying an unsupported full credit.
What to verify before signing off a claim
- The supplier document is valid and the tax amount agrees with the purchase register.
- The invoice is mapped to the correct project and outward supply.
- No section 17(5)(c) or 17(5)(d) block applies.
- Plant-and-machinery treatment is supported component by component.
- The selected residential rate option and its no-ITC consequence are recorded.
- The 80% calculation, exclusions, reverse-charge shortfall and unregistered-cement liability are complete where relevant.
- Common-credit apportionment and annual true-up have been performed.
- Completion certificate, first occupation, booking and onward-sale dates are preserved for landowner and promoter transactions.
Rates, notifications, return forms, court decisions and interpretations can change. A final computation should therefore be checked against the notification applicable to the project’s commencement and supply dates, with the project’s state, registration, booking and completion facts documented.
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