Mastering Form 128: The Comprehensive Guide to Nil and Lower TDS/TCS Certificates

The transition to the Income-tax Act, 2025 has ushered in a modernized approach to tax administration, replacing outdated procedural frameworks with streamlined, technology-driven compliance mechanisms. One of the most significant procedural upgrades is the introduction of Form 128, which officially replaces the legacy Form 13. This new form serves as the primary gateway for an assessee seeking relief from standard withholding tax rates.

For businesses operating on thin margins, startups carrying forward losses, or professionals facing temporary cash flow crunches, standard Tax Deducted at Source (TDS) or Tax Collected at Source (TCS) rates can severely lock up working capital. By filing Form 128, an eligible assessee can secure a mandate authorizing their clients or vendors to deduct or collect taxes at a significantly reduced rate, or even at a nil rate.

This detailed guide explores the legal foundation, structural nuances, and filing procedures associated with Form 128, providing every assessee with the actionable intelligence needed to optimize their tax cash flows.

Legislative Framework and Statutory Transition

Understanding the shift from the old regime to the new requires a clear mapping of the governing statutes and rules. The legislative intent remains the preservation of working capital for the assessee, but the statutory references have been entirely overhauled.

The Old Regime vs. The New Regime

Under the erstwhile Income-tax Act, 1961, an assessee applied for lower or nil withholding tax certificates invoking Section 197 for TDS and Section 206C(9) for TCS. The procedural guidelines for these applications were scattered across multiple rules within the I.T. Rules, 1962, specifically Rule 28, Rule 28AA, Rule 28AB, Rule 29, Rule 37G, and Rule 37H.

With the enactment of the Income-tax Act, 2025, the legal provisions have been consolidated and redefined. The applications for lower or nil deduction are now strictly governed by Section 395(1) for TDS and Section 395(3) for TCS. Correspondingly, the complex web of older rules has been unified into a single, comprehensive procedural guideline under Rule 213 of the newly drafted I.T. Rules, 2026.

Important Note: Any assessee, whether resident or non-resident, who receives income subject to withholding tax—such as professional fees, rental income, commission, interest, or contractual payments—is legally entitled to invoke Section 395(1) or Section 395(3) by submitting Form 128.

Strategic Timing and Eligibility Criteria

Filing Form 128 is not a mandatory statutory obligation; rather, it is an optional, highly beneficial facility provided to the assessee. However, to leverage this facility effectively, timing is everything.

Pre-Transaction Prerequisite

The most critical rule governing Form 128 is that the application must be processed, and the certificate must be issued, before the actual transaction occurs. If a payer has already credited the income or deducted the tax, the assessee cannot retroactively apply for a lower deduction certificate for that specific transaction. Therefore, an assessee must forecast their revenue streams and apply well in advance of the anticipated payment dates.