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Published on 20 June 2025

Additional Depreciation: Finance Act 2015 Changes Explained

Why You Should Care

You’ve just plonked down lakhs (or crores) on shiny new machinery for your factory or power plant. Yay! But hang on—when that tax bill comes around, you want every bit of relief you can get. That’s where “additional depreciation” swoops in to save the day, giving you more write‑off in year one.


Who’s Eligible?

  • Manufacturers & Printers: If you make (or even print) anything, you’re in. A CBDT circular confirms that printing and publishing count as manufacturing.
  • Power Players: From 2016–17 onward, power generation, transmission, and distribution outfits can join the party.
  • The Catch: Only brand‑new plant & machinery bought and installed after March 31, 2005. No second‑hand gear, ships, aircraft, office appliances, or road vehicles.

How It Worked… and How It Works Now

  1. Old Rules

    • Full‑Year Use: You got 15% “normal” depreciation + 20% extra = 35% total.
    • < 180 Days’ Use: You got half the extra (10%), so 25% total. The other 10%? Poof—gone forever.
  2. Post‑Finance Act 2015 (Effective Apr 1, 2016)

    • < 180 Days’ Use still gives you 10% extra in year one—but here’s the kicker: the other 10% now carries over to year two.
    • Result: You eventually get the full 20% extra, no matter when you install.

Example: XYZ Manufacturing buys ₹1 cr of kit on Dec 15, 2016 (< 180 days to Mar 31).

  • Year 1: 7.5% normal + 10% extra = ₹17.5 lakh.
  • Year 2: Remaining 10% extra = ₹10 lakh.

Under old rules, that second ₹10 lakh simply vanished—no more.


Special Boost for Backward Areas

Setting up in notified backward pockets of Andhra Pradesh, Bihar, Telangana, or West Bengal? From Apr 1, 2015 to Mar 31, 2020, you score 35% additional depreciation instead of 20%.

  • < 180 Days’ Use: 17.5% first year, 17.5% next year.

What’s Off‑Limits

  • Second‑hand machinery
  • Office or residential installations
  • Office appliances
  • Road vehicles, ships, aircraft
  • Assets already fully deducted in earlier years

Clearing Up the Legal Mess

Courts were all over the place before 2015—some tribunals said you could carry over, others said no. The Finance Act 2015 finally put down the gavel: the leftover extra depreciation is yours to claim next year.


Bottom Line for Your Business

  • Timing is no longer everything: Buy in December or April—your full extra depreciation is safe.
  • Encouragement to invest: Why delay that critical machine upgrade? The tax break’s got your back.
  • Regional uplift: If you’re in those backward areas, the government’s practically rolling out a red carpet.

So next time you’re eyeing that investment in new plant and machinery, remember: Section 32(1)(iia) just got a whole lot more business‑friendly, thanks to the Finance Act 2015. Whether you’re a manufacturer or in the power game, you can breathe a little easier—your tax deductions will follow you, even if your installation date doesn’t.

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