The bill amends Internal Revenue Code section 198(h) by replacing the single eligibility cutoff date with a two-part rule that covers costs in an earlier window and then again after a multi‑year gap. Concretely, the bill preserves the existing expensing rule through the end of 2024, removes the benefit for a four‑year span, and restores it again beginning in 2029.
This matters for developers, lenders, municipal governments, and tax advisers because the availability of immediate expensing materially affects project cash flow, debt structuring, and the economics of cleaning up contaminated sites. The statutory gap will prompt timing decisions—accelerating work into 2024 where possible or deferring activity until the incentive returns—while also raising implementation questions for the IRS and taxpayers about how to treat costs that straddle the cutoff dates.
At a Glance
What It Does
The bill modifies the date language in IRC §198(h) so that the expensing rule applies for remediation costs incurred before January 1, 2025 and then again only for costs incurred after December 31, 2028. It leaves the substantive eligibility criteria of §198 intact and limits the change to the temporal scope of the deduction.
Who It Affects
Owners and redevelopers of contaminated sites, environmental contractors, lenders financing remediation and redevelopment, and tax professionals who advise on project timing and deduction strategies will be directly affected. State and local governments that rely on the federal tax incentive to attract private cleanup investment will also feel the change.
Why It Matters
By interrupting continuous access to immediate expensing, the bill creates a cliff that can change when projects start and how they are funded. That timing distortion affects investment decisions, may increase the cost of capital for projects initiated during the lapse, and shifts both private planning and public redevelopment outcomes.
More articles like this one.
A weekly email with all the latest developments on this topic.
What This Bill Actually Does
The core legal change in the bill is surgical: it alters the date language in the existing Internal Revenue Code provision that allows taxpayers to expense certain environmental remediation costs under section 198. Instead of one open‑ended post‑2011 window, the statute would operate over two distinct time frames—costs incurred through the end of 2024 remain eligible, there is a hiatus, and the expensing permission resumes only for costs incurred after 2028.
The bill’s effectiveness clause applies the change to expenditures "paid or incurred" after December 31, 2024. In practice that means remediation costs paid or incurred in calendar years 2025 through 2028 will not qualify for immediate expensing under §198.
Taxpayers who complete remediation before the end of 2024 keep the current favorable treatment, while projects that begin or incur costs in the four‑year window lose it. The bill does not rewrite what counts as a remediation cost, nor does it change other eligibility rules in §198; it only narrows the temporal eligibility.That temporal narrowing has practical consequences.
Developers and their lenders often rely on the ability to deduct remediation costs immediately to improve project cash flow and debt service coverage. Removing the deduction for a fixed period will push some projects to accelerate activity into 2024 where feasible, while others may be postponed until the incentive returns.
The result is a likely short‑term spike in remediation activity and a subsequent slowdown, with corresponding effects on contracting firms, local permitting, and municipal redevelopment plans.The text also leaves unanswered a number of technical implementation questions the IRS will have to resolve. Examples include the treatment of multi‑year remediation contracts, the precise point at which a cost is "incurred" for taxpayers using accrual accounting, interactions with state tax incentives or grant programs, and how elections or amortization that already apply under §198 carry forward across the lapse.
The bill does not include transitional rules to smooth those frictions, so administrative guidance will be essential for consistent application.
The Five Things You Need to Know
The bill amends Internal Revenue Code section 198(h), changing the statute’s temporal eligibility for expensing remediation costs.
Under the amendment, the expensing rule applies to costs incurred through December 31, 2024, and then only to costs incurred after December 31, 2028—creating a four‑year exclusion (2025–2028).
The effective date provision makes the amendment apply to expenditures "paid or incurred" after December 31, 2024, meaning costs in the excluded years are not eligible.
The bill does not alter definitions, eligibility criteria, or the substantive rules in §198 other than the dates that determine when costs qualify.
Because the statute uses the "paid or incurred" standard, the change raises immediate questions about accounting methods, contract timing, and the IRS’s forthcoming interpretive guidance.
Section-by-Section Breakdown
Every bill we cover gets an analysis of its key sections.
Short title
Provides the Act’s short name: "Brownfields Redevelopment Tax Incentive Reauthorization Act of 2025." This is purely titular; it signals legislative intent to treat the measure as a reauthorization of a brownfields tax incentive, even though the operative language creates an interim lapse rather than uninterrupted continuity.
Textual amendment to IRC §198(h)
Strikes the original post‑2011 date language in §198(h) and inserts a two‑part temporal rule covering (1) costs after Dec 31, 2011 and before Jan 1, 2025, and (2) costs after Dec 31, 2028. Mechanically, that removal/replacement changes only when the expensing election is available; it does not add or remove the types of remediation expenditures that qualify. For practitioners, the key practical takeaway is that there will be a statutory gap during which immediate expensing is not available, unless Congress acts again.
Effective date for expenditures
States that the amendment applies to expenditures paid or incurred after Dec 31, 2024. The draft therefore treats calendar‑year 2025 as the first year in which the amended temporal limitation takes effect. Taxpayers and advisors must therefore evaluate transactions with payments spanning late 2024 and early 2025 carefully, because the bill’s "paid or incurred" trigger interacts with accounting method rules and contract performance timings.
This bill is one of many.
Codify tracks hundreds of bills on Finance across all five countries.
Explore Finance in Codify Search →Who Benefits and Who Bears the Cost
Every bill creates winners and losers. Here's who stands to gain and who bears the cost.
Who Benefits
- Property owners and redevelopers who complete remediation work and incur costs before the end of 2024, because those expenditures remain eligible for immediate expensing under the preserved pre‑2025 window.
- Environmental contractors and consulting firms that can accelerate billable remediation work into 2024, gaining near‑term demand and improved cash flow from clients aiming to capture the expensing benefit.
- Tax advisers and accounting firms, which will see increased client activity around year‑end planning, accounting method determinations, and guidance requests as taxpayers rush to position costs before the lapse.
Who Bears the Cost
- Developers and site owners who must begin or perform substantial remediation during 2025–2028, because they lose the immediate expensing benefit and may face higher after‑tax project costs and tighter financing terms.
- Lenders and investors in projects initiated in the lapse period, who may encounter weaker borrower cash flows and need to adjust underwriting or increase interest spreads to compensate for lost tax deductions.
- Municipalities and local redevelopment agencies relying on federal tax incentives to attract private cleanup investment, because curtailed federal incentives could slow private participation and delay local redevelopment plans.
Key Issues
The Core Tension
The central dilemma is between controlling the permanent fiscal cost of a tax incentive and preserving a stable, predictable incentive that supports long‑horizon cleanup and redevelopment. The bill attempts a middle path—allowing the incentive now, pausing it for several years, then restoring it—but that intermittence substitutes uncertainty for predictability, shifting costs onto project timelines, private financing, and the administrative system that must interpret boundary cases.
The bill’s narrow drafting creates a classic timing distortion without providing transitional relief. By preserving pre‑2025 expensing and reinstating it only after 2028, the statute incentivizes a near‑term rush of remediation activity and a multiyear slowdown thereafter; that pattern can overload permitting systems, lead to contracting bottlenecks, and shift work in ways that are environmentally and economically suboptimal.
The absence of transitional or grandfathering rules for costs that are contracted but paid across the cutoff years also leaves significant administrative ambiguity.
From an implementation standpoint, the "paid or incurred" effective date raises immediate accounting issues. Taxpayers using accrual accounting, long‑term remediation contracts, or multi‑phase projects will need clear IRS guidance on how to allocate costs to taxable years.
The statute does not address whether taxpayers can elect treatment for costs performed in the lapse or whether amortization rules might apply as a fallback. Those omissions risk inconsistent application and potential litigation.
Finally, the bill trades continuous incentive coverage for a politically mediated pause; that approach reduces long‑run predictability for private investors and public partners who plan brownfield redevelopment on multi‑year timescales.
Try it yourself.
Ask a question in plain English, or pick a topic below. Results in seconds.