Washington — A bipartisan group of lawmakers this month unveiled a proposal that would let owners of pass‑through entities (partnerships, S corporations) carry forward certain unused nonrefundable business tax credits to the individual level. If enacted, the change would alter year‑end tax planning for owners who currently must rely on entity‑level carryforwards or lose value when credits expire.

What the proposal would change

Under current federal rules, many business‑level credits that exceed an entity’s tax liability may be carried forward at the entity level (or carried back, where allowed). The new proposal would permit an election to pass unused credits through to owners in proportion to ownership, so those owners could apply the credits against their individual tax liability in later years.

Key features of the draft proposal include:

  • Entity election: An opt‑in election at the partnership/S‑corp level to allocate unused nonrefundable credits to owners.
  • Owner carryforwards: Allocated credits would be carried forward on the owner’s individual return, subject to limitations and ordering rules.
  • Compatibility rules: Credits passed through would remain nonrefundable and would not convert into deductions; coordination provisions would prevent double use at the entity and owner levels.
  • Anti‑abuse provisions: Rules to prevent immediate sale or transfer designed solely to harvest credits.

Why planners should care

The change targets an important pain point for tax planners: wasted credits at the entity level and mismatch between entity profitability and owner tax liabilities. It provides a new tool to smooth owners’ tax obligations across years—particularly relevant for individuals with variable income, seasonal businesses, or one‑time capital events.

Practical impacts:

  • Estimated taxes — Owners who receive an owner‑level carryforward can reduce estimated tax payments for future years by the expected credit amount, provided they can reasonably project taxable income and available credits.
  • Tax bracket and capital gains planning — Because credits reduce tax liability rather than taxable income, they generally will not change the taxable income used to determine capital gains rates. However, freeing up cash flow from lower estimated payments may affect timing decisions around realizing capital gains.
  • Filing status considerations — Married filing separately taxpayers and other taxpayers subject to special rules should analyze whether carryforward credits interact with filing status limitations on specific credits (some credits are limited by filing status).
  • Deductions vs. credits — Since credits do not function as deductions, taxpayers cannot use them to reduce taxable income; planning should still focus on timing deductions when the goal is to change tax bracket or capital gains thresholds.

Concrete example

Consider a partner who owns 40% of a partnership that generates a $100,000 research tax credit in Year 1 but has no entity‑level tax due and elects to allocate the unused $40,000 share to the partner for carryforward.

  • Without the proposal: The credit may remain trapped at the partnership level and carried forward at the entity until the partnership has tax liability, delaying any benefit to the partner and complicating personal estimated tax projections.
  • With the proposal: The partner receives a $40,000 nonrefundable credit on his individual return for use in future years subject to ordering rules. That credit can reduce the partner’s eventual tax liability dollar for dollar—lowering required estimated payments in those years—though it will not reduce taxable income that determines long‑term capital gains rates.

Limitations and thorny interactions

Tax practitioners should note several constraints that would limit the credit’s effect on other planning levers:

  1. Credits vs. taxable income — Because carryforward credits reduce tax liability instead of taxable income, they will not directly move a taxpayer into a lower tax bracket or lower the taxable‑income thresholds that determine capital‑gains rates. To alter those thresholds, traditional deductions (timing of expenses, charitable gifts, retirement contributions) remain necessary.
  2. Ordering rules and phaseouts — The draft includes ordering rules dictating which credits apply first and whether credits interact with AMT or any phaseout rules for other credits and deductions.
  3. State conformity — Many states decouple from federal credit rules. Owners must track whether a state will recognize the carrythrough and if state estimated tax obligations are affected.

Practical planning steps for advisors

Advisors should begin modeling scenarios now, even while the bill remains in committee. Recommended next steps:

  • Run cash‑flow models that incorporate potential owner‑level carryforwards and test how those credits affect estimated taxes under safe‑harbor rules (prior year 100%/110% or current‑year 90% tests).
  • Coordinate entity election timing — if the entity must elect in a timely manner, determine the optimal year to opt in based on profitability forecasts.
  • Assess filing status impacts — evaluate whether married filing separately or married filing jointly affects usable credits for individual owners.
  • Coordinate capital gains timing with deductions — since credits don't lower taxable income, use deductions and timing of capital asset sales to manage taxable income and capital‑gains brackets while using credits to reduce the cash tax burden.
  • Monitor state responses — prepare state filings and communications in case states decouple or impose tracking requirements.

Outlook

The proposal responds to recurring complaints from pass‑through owners and tax advisers about stranded credits and mismatches between entity and owner tax timing. If the bill advances, it would be an operational and modeling shift for many partnerships and S corporations and could become an important lever for smoothing estimated taxes and managing year‑end planning. Lawmakers’ next steps, committee reviews and potential amendments will determine the final shape and practical significance.

Tax planners should watch legislative action closely and begin scenario testing now so clients can act quickly if the law changes. Even with the proposed carryforwards, conventional levers—deductions timing and managing taxable income—will remain central to controlling tax brackets and capital‑gains exposure.