DTC 2025: Section 45(b)(8) & MSME Payments - A Guide for CFOs

Key Takeaways

• The Direct Tax Code (DTC) 2025 introduces Section 45(b)(8), replacing the old Section 43B(h) of the Income Tax Act, 1961, concerning payments to Micro and Small Enterprises (MSEs).
• The primary change is the nature of the disallowance: it shifts from a temporary deferral under the 1961 Act to a permanent, irreversible disallowance if the payment deadline is missed.
• This provision will exert extreme pressure on corporate working capital, forcing companies to pay MSE suppliers within the statutory 45-day limit, irrespective of their own revenue collection cycles.
• Immediate action is required from financial controllers to update ERP systems, re-negotiate vendor contracts, and re-engineer the entire procure-to-pay cycle to avoid a significant increase in the effective tax rate.

PART 1: EXECUTIVE SUMMARY

This guide provides a detailed analysis of the transition from Section 43B(h) of the Income Tax Act, 1961, to the newly enacted Section 45(b)(8) of the Direct Tax Code, 2025. This legislative change fundamentally alters the tax treatment of payments due to Micro and Small Enterprises (MSEs) and carries substantial financial implications for all corporate entities.

• The Old Law (1961): Section 43B(h) operated on an accrual system override. It disallowed expenditure related to MSE payments if not settled within the timelines prescribed by the MSMED Act, 2006 (i.e., 15 days, or up to 45 days with a written agreement). However, this disallowance was temporary. A deduction could be claimed in the financial year when the payment was eventually made. This created a timing difference, impacting tax outflow for a specific year, but did not permanently deny the expense.

• The New Law (2025): The Direct Tax Code 2025 introduces Section 45(b)(8), which adopts a far more stringent stance. Under this new provision, if a payment to an MSE is not made within the MSMED Act's prescribed timeline, the corresponding expenditure is permanently disallowed. The deduction is lost forever and cannot be claimed in any subsequent year, even upon actual payment. This transforms the provision from a compliance tool for timely payment into a punitive measure with a direct impact on profitability.

• Who is Impacted: This change affects every company, LLP, and partnership firm that procures goods or services from suppliers registered as Micro or Small Enterprises under the Udyam portal. The impact will be most acute for large manufacturing, infrastructure, and FMCG companies with extensive supply chains and traditionally longer payment cycles.

PART 2: DETAILED TAX ANALYSIS

1. Background & Corporate Impact

The legislative intent behind both the old Section 43B(h) and the new Section 45(b)(8) is to enforce payment discipline and protect the financial health of the MSME sector, which is a critical driver of the national economy. However, the mechanism under the Direct Tax Code 2025 represents a strategic shift from encouraging compliance to penalizing non-compliance.

The transition from a deferral-based system to a permanent disallowance system has profound consequences:

• Impact on Effective Tax Rate (ETR): A permanent disallowance directly increases a company's taxable income. For an expense that is legitimately incurred for business purposes, the inability to claim it as a deduction results in tax being paid on that amount. For a corporation in the 25% tax bracket, a delayed payment of ₹1 Crore to an MSE vendor will result in a direct, unrecoverable tax outflow of ₹25 Lakhs. This will materially increase the company's ETR.

• Working Capital Strain: Historically, large corporations have used their creditors, particularly smaller suppliers, to manage their working capital. Extended payment terms (e.g., 90 or 120 days) were common practice. Section 45(b)(8) makes this financially untenable. Companies must now align their payment cycles to a strict 45-day maximum for all MSE vendors, even if their own debtor collection cycle is significantly longer. This will create a severe asset-liability mismatch and may necessitate arranging additional short-term credit facilities, increasing finance costs.

• Operational Disruption: The compliance burden extends beyond the finance department. The procurement, legal, and operations teams must be fully aligned. The risk of delayed payments due to internal process inefficiencies—such as invoice disputes, quality checks, or slow approval workflows—now carries a direct tax cost.

2. 1961 Act vs 2025 Direct Tax Code

The structural differences between the two provisions are stark. A comparative analysis highlights the gravity of the new compliance environment under Section 45(b)(8).

3. Audit & ERP Reporting Requirements

The permanent nature of the disallowance under Section 45(b)(8) elevates its importance during statutory and tax audits. Auditors and tax authorities will apply intense scrutiny.

• Enhanced Auditor Scrutiny: Statutory auditors are now obligated to go beyond verifying the existence of an expense. They must design audit procedures to specifically test the payment dates for all MSE creditors against invoice dates and written agreements. A failure to comply with Section 45(b)(8) represents a material financial risk that must be reported.

• Tax Audit Disclosures: The new Tax Audit Report format under the DTC regime will feature a specific clause for reporting permanent disallowances under Section 45(b)(8). Companies must provide a detailed reconciliation of amounts disallowed, which will be directly cross-verified by tax assessment officers.

• ERP System Overhaul: Relying on manual tracking is no longer feasible. Enterprise Resource Planning (ERP) systems like SAP, Oracle, and Microsoft Dynamics must be reconfigured as a top priority:

  1. Vendor Master Flagging: The vendor master data must include a mandatory, verified field to identify a supplier's status as a "Micro" or "Small" enterprise based on their Udyam Registration Certificate. This status must be reviewed annually.
  2. Automated Due Date Calculation: The system should automatically calculate the 15/45 day due date from the date of acceptance of goods/services and flag invoices nearing this deadline.
  3. Payment Run Prioritization: The Accounts Payable (AP) module must be configured to automatically prioritize payments to MSE vendors in all payment runs to ensure deadlines are not breached.
  4. Disallowance Reporting Module: The tax reporting module within the ERP must be capable of automatically identifying overdue payments at year-end and calculating the precise amount to be permanently disallowed for the tax computation.

4. Financial Controller's Action Plan 2026

To prepare for the first assessment year under the Direct Tax Code 2025, Financial Controllers must implement a robust action plan immediately.

1. Vendor Master Validation (Q1 2025):

   • Initiate a company-wide drive to collect and validate Udyam Registration Certificates from all existing suppliers.
   • Segregate the vendor master list into Micro, Small, Medium, and Other categories. Section 45(b)(8) applies only to Micro and Small enterprises.

2. Contractual Renegotiation (Q2 2025):

   • The legal and procurement teams must review all standard purchase orders and supplier contracts.
   • Payment terms for MSEs must be formally amended to a maximum of 45 days, explicitly documented in a written agreement. In the absence of an agreement, the 15-day limit will apply.

3. Procure-to-Pay (P2P) Process Re-engineering (Q2-Q3 2025):

   • Map the entire P2P cycle from goods receipt/service completion to final payment.
   • Identify and eliminate bottlenecks in invoice verification, quality approval, and management authorization.
   • Implement a "fast-track" approval process for all invoices from MSE vendors.

4. Treasury and Cash Flow Forecasting (Ongoing from Q1 2025):

   • Model the impact of accelerated payments on the company's cash conversion cycle.
   • Arrange for enhanced working capital credit lines with banks to manage the anticipated cash flow squeeze.
   • Incorporate the accelerated MSE payments into all short-term and long-term cash flow forecasts.

5. Internal Training and Communication (Q4 2025):

   • Conduct mandatory training sessions for all personnel in the procurement, accounts, and finance departments.
   • Emphasize that a delayed payment is no longer just an operational lapse but a direct cause of tax leakage.

5. Final Advisory

The introduction of Section 45(b)(8) is not a routine tax amendment; it is a fundamental shift in compliance philosophy. The risk has moved from a temporary cash-flow timing issue to a permanent erosion of profit. Non-compliance is not an option, as the financial penalty is embedded directly into the tax calculation.

Our team advises that businesses view this not merely as a tax compliance task but as a strategic imperative. Proactive engagement with MSE suppliers to streamline invoicing and resolve disputes quickly is essential. Meticulous documentation, including maintaining copies of Udyam certificates and written payment agreements, will be the primary line of defense during tax assessments. The cost of inaction will be directly reflected in a higher tax bill and reduced shareholder value.

💡 Corporate Tax Tip: Ensure your business is fully compliant with the new Direct Tax Code 2025 to avoid hefty corporate penalties.