Impact of GST 2.0 Rate Structure on Reverse Charge Mechanism

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🏗️ Major Changes for Real Estate Sector RCM

Cement Purchases from Unregistered Suppliers

Current Rule (Pre-September 22, 2025):

  • Cement from unregistered suppliers: 28% GST under RCM
  • 80% registered supplier shortfall: 18% GST under RCM

New Rule (Effective September 22, 2025):

  • Cement from unregistered suppliers: 18% GST under RCM (reduced from 28%)
  • 80% registered supplier shortfall: 18% GST under RCM (remains same)

Impact: Cement GST reduced from 28% to 18%, providing 3-5% overall construction cost reduction

Construction Materials Rate Changes Affecting RCM

Materials Moving to 18% (from 28%):

  • Cement and cement products
  • Steel and iron products
  • Electrical fittings and fixtures
  • Paints and varnishes

Materials Moving to 5% (from 12%):

  • Particle boards, bamboo flooring, veneering sheets, wooden joinery
  • Ceramic tableware, porcelain and stone articles
  • Sand-lime bricks and fly ash bricks
  • Granite blocks

📊 Revised RCM Rate Application

Real Estate Promoters – Updated RCM Calculations

1. 80% Registered Supplier Rule:

  • Rate: 18% GST on shortfall amount (unchanged)
  • Calculation: Same methodology, but now aligned with most construction materials

2. Specific Material Purchases from Unregistered Suppliers:

  • Cement: 18% RCM (previously 28%) – Major relief
  • Steel: 18% RCM (previously 28%)
  • Bricks: 5% RCM (previously 12%)
  • Wood products: 5% RCM (previously 12%)

Business Impact Example

Scenario: Real estate promoter buying cement worth ₹10 lakh from unregistered supplier

Previous Cost (till Sept 21, 2025):

  • GST under RCM: ₹10 lakh × 28% = ₹2.8 lakh

New Cost (from Sept 22, 2025):

  • GST under RCM: ₹10 lakh × 18% = ₹1.8 lakh
  • Savings: ₹1 lakh (35.7% reduction in tax cost)

🏢 Commercial Property RCM Changes

Rental from Unregistered Landlords

Current Position:

  • Commercial property rentals from unregistered suppliers: 18% GST under RCM
  • Tenants pay GST instead of landlords

Post-GST 2.0:

  • Rate remains 18% (no change)
  • However, composition dealers now excluded from this RCM requirement
  • Adds compliance burden for businesses renting commercial spaces

⚖️ Other Services Under RCM – Rate Impacts

Professional Services

  • Legal services: 18% (unchanged from current rate)
  • Director services: 18% (unchanged)
  • GTA services: 5% (unchanged for transport)

E-commerce Platform Services

  • Restaurant delivery: 5% (food) + 18% (service component)
  • Transportation: 5% (unchanged)
  • Hotel accommodation: Rate depends on room tariff structure

💼 Compliance Simplification Benefits

Reduced Rate Complexity

  • Previous: 4 main slabs (5%, 12%, 18%, 28%) creating confusion in RCM application
  • New: 2 main slabs (5%, 18%) simplifying RCM calculations
  • Exception: 40% for luxury/sin goods (limited RCM application)

Input Tax Credit Benefits

  • Lower input costs improve cash flow and project viability
  • Simplified rate structure reduces ITC calculation complexity
  • Better working capital management for businesses

📅 Implementation Timeline

Critical Dates:

  • September 22, 2025: New GST rates effective
  • Immediate Impact: All RCM calculations must use new rates
  • Transition Period: Businesses need to update systems and processes

Action Items for Businesses:

Real Estate Developers:

  1. Update RCM calculation systems with new cement rate (18%)
  2. Revise project cost estimates with reduced material costs
  3. Review supplier registration status to optimize tax planning
  4. Train procurement teams on new rate applications

Commercial Tenants:

  1. Verify landlord registration status for RCM applicability
  2. Update rental agreements reflecting new compliance requirements
  3. Review if composition scheme exclusion applies

🎯 Strategic Business Opportunities

Cost Optimization

  • 3-5% reduction in overall project costs for real estate
  • Improved margins for developers and contractors
  • Potential for more competitive pricing to end customers

Market Expansion

  • Affordable housing segment revival due to lower construction costs
  • Potential return of first-time buyers and fence-sitters to the market

Key Takeaway: GST 2.0 significantly reduces RCM burden for construction sector while maintaining the basic framework. The cement rate reduction from 28% to 18% under RCM provides immediate relief, while simplified rate structure reduces compliance complexity across all RCM scenarios.

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Prakash K Pandya
Practising Advocate, SIMI accredited Mediator and Insolvency Professional based at Mumbai, India. Have keen interest in International insolvency and mediation. Earlier practised as Company Secretary for over 25 years and now practising as Advocate since 2020.

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