Section 43B(h) Explained: 45-Day MSME Payment Rule and Disallowance Risks

A statutory roadmap on payment timelines, Udyam certificate classification, and avoiding heavy income tax disallowances.

Income Tax & ITR • • 7 min read

Under Section 43B(h) of the Income Tax Act, any sum payable by an assessee to a Micro or Small enterprise beyond the time limit specified in Section 15 of the MSMED Act, 2006 is disallowed as a business deduction in the year of incurrence and added back to taxable income.

1. Statutory Payment Timelines

  • With Written Agreement: Payment must be executed within maximum 45 days from delivery/invoice.
  • Without Written Agreement: Payment must be made within 15 days from acceptance of goods/services.

2. Strict Exclusions from Section 43B(h)

  • Medium Enterprises: Only Micro (investment ≤ ₹1 Cr, turnover ≤ ₹5 Cr) and Small (investment ≤ ₹10 Cr, turnover ≤ ₹50 Cr) entities are covered.
  • Traders & Retailers: Wholesale and retail traders holding Udyam certificates for priority sector lending are officially excluded by MCA/CBDT clarifications.
  • Presumptive Taxation: Businesses filing under Section 44AD or 44ADA are exempt from Section 43B(h) disallowances.
Tags: #Tax Planning #MSME Act #Section 43B(h) #Vendor Management #Udyam Registration

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