#tax-credits
Federal and state tax credits to reduce your tax bill dollar for dollar
A solar installer's bookkeeping playbook — customer deposits under ASC 606, REC inventory, PPA classification under ASC 842, the 50% basis reduction on the Section 48 ITC, Section 6418 transferability mechanics, and the five-year recapture clock that survives a sale of the business.
Section 25C's 30% federal credit for heat pumps, insulation, windows, and other home efficiency upgrades ends with the OBBBA sunset on December 31, 2025, making the 2025 return the last chance to claim up to $3,200 per household — provided you supply a valid 4-character QMID on Form 5695.
Section 45L pays builders and developers $500 to $5,000 per energy-efficient home, but the One Big Beautiful Bill Act ends the credit for homes acquired after June 30, 2026. A practical guide to ENERGY STAR versus Zero Energy Ready certification, prevailing wage rules on multifamily, the LIHTC basis carve-out, and the Form 8908 mechanics that decide whether the credit survives audit.
Section 45W ended for vehicles acquired after September 30, 2025, but businesses with a binding contract and a payment by that date can still claim up to $7,500 for light EVs or $40,000 for heavy trucks in 2026 — here is how the credit is calculated, filed on Form 8936, and refunded as cash to tax-exempt fleets through elective pay.
Section 1341 lets a taxpayer who repays more than $3,000 of previously taxed income recover the tax cost—via a deduction or a credit, whichever is lower—on the repayment-year return rather than by amending the old one.
A new 401(k) can be nearly free for small employers — Section 45E reimburses up to 100% of startup costs for three years plus $1,000 per employee in contribution credits for five years. Here is who qualifies and how to claim it on Form 8881.
SECURE 2.0 turned Section 45E into a 100% refund of pension plan startup costs—up to $5,000 per year for three years—for employers with 50 or fewer employees, stacked with a per-employee contribution credit worth up to $1,000 and a $500 auto-enrollment credit, all claimed on Form 8881.
How partnerships and S corporations in 36+ states use the Pass-Through Entity Tax election under IRS Notice 2020-75 to deduct state income tax at the entity level and bypass the federal SALT cap — with a worked example, resident-credit mechanics, and 2026 election deadlines.
OBBBA's new Section 174A restores immediate expensing for domestic R&D in tax years after December 31, 2024, and qualifying small businesses can amend 2022–2024 returns by July 6, 2026 to recover overpaid tax. A guide to the three coexisting Section 174 regimes, the Section 41 credit add-back, foreign 15-year amortization, and the statement in lieu of Form 3115.
Form 8850 must be signed on or before the job offer date and submitted to the state workforce agency within 28 calendar days of the employee's start date — miss either deadline and the Work Opportunity Tax Credit, worth up to $9,600 per qualifying hire across ten targeted groups, is permanently forfeited.
For 2026, the federal Adoption Tax Credit is worth up to $17,670 per child, with $5,120 now refundable. A field guide to Form 8839, qualified expenses, the special-needs rule, failed adoptions, the MAGI phase-out, and the five-year carryforward.
For tax year 2026, the federal Adoption Tax Credit caps at $17,670 per eligible child, with up to $5,120 refundable and a five-year carryforward on the nonrefundable remainder. This guide explains Form 8839, the timing rules for domestic, foreign, special needs, and failed adoptions, MAGI phase-out between $265,080 and $305,080, and how to coordinate with employer-provided adoption assistance under Section 137.
