What a CPA or tax attorney examines in a clean energy credit

A credit is computed against a base — generally the taxpayer's qualifying basis in the property — so an advisor examines whether that basis is correctly determined and properly supported. Overstated or unsupported basis is a recurring diligence finding, and the credit follows the basis, so this number is examined closely rather than taken at face value.

The at-risk rules — applied to credits through IRC §49, which draws on the at-risk concept in IRC §465 — then ask how much the taxpayer is genuinely economically exposed on. For credit purposes, those rules can reduce the credit base by nonqualified nonrecourse financing — broadly, amounts the taxpayer is not truly on the hook for. An advisor traces how the investment was financed to see whether any portion of the basis is carved out of the credit by these rules, and how later changes in financing could affect it.

Separately, the advisor weighs the basis-adjustment rule under IRC §50(c), which generally requires the property's basis to be reduced to reflect a credit claimed. These mechanics decide the size and durability of any position, and they turn entirely on the taxpayer's own numbers — which is why they belong with your CPA or tax attorney, not a marketing estimate.

Even a properly earned credit may not be usable against a given taxpayer's tax in a given year. The passive activity rules under IRC §469 — a section titled, in the statute itself, 'Passive activity losses and credits limited' — are the most common friction an advisor flags for individuals. Credits from an activity in which the taxpayer does not materially participate are generally allowed only against the tax attributable to passive income, with the remainder carried forward.

So an advisor examines the taxpayer's level of participation in the activity, the character of their income, and how the activity is grouped, to gauge whether the credit can be applied currently or is suspended. For a purchased credit, how the buyer is treated under these rules is determined on the buyer's own facts rather than inherited from the seller, which makes the buyer-level analysis its own line of review.

Describing this test is not the same as predicting its outcome. Whether your participation, income mix, and structure let a credit be used now, later, or only in part is a facts-and-circumstances call that your advisor makes against your actual return.

A clean energy credit is not necessarily permanent the moment it is claimed. Under the recapture rule in IRC §50(a), if investment credit property is disposed of or ceases to be qualifying property within a recapture period, part of the credit may have to be paid back. An advisor examines the recapture exposure as a live, ongoing risk rather than a closed question.

That means looking at what could trigger recapture over the holding period — a sale, a change or cessation of the qualifying use, or a failure to maintain conditions the credit depended on — and how likely those are given the taxpayer's plans. For a purchased credit, the buyer's exposure to a seller's recapture event is a central item to pin down, which is why an advisor scrutinizes any recapture indemnities and the allocation of that risk in the transfer documents.

Naming recapture is not a reason to avoid a legitimate credit; it is part of an honest review. It is also one more reason no responsible page can tell you, in advance and without your facts, that a credit is safe for you to rely on — that judgment is the advisor's.

For many projects, the credit amount depends on whether certain labor and sourcing conditions were satisfied, so an advisor examines whether the documentation actually supports the amount claimed. Meeting the prevailing-wage and apprenticeship requirements under the Inflation Reduction Act can increase the base amounts of these incentives, and a separate domestic-content bonus under the same IRA framework can increase the credit as well — but only when the requirements are genuinely met and recorded, as the IRS guidance for each describes.

The prevailing-wage and apprenticeship rules generally require that laborers and mechanics be paid no less than applicable prevailing wage rates and that registered apprentices perform a required share of the work, with specific recordkeeping to support any increased amount. An advisor reviews whether those records exist and whether any exception the project relies on actually applies, because the increased amount stands on that evidence.

An advisor walking through these conditions is checking whether the claimed credit and the underlying facts line up — not assuming they do. Whether the conditions were met for your project, and what that means for the credit, is established by the records and your advisor's review, not asserted here.

Underneath every area above is a single question an advisor keeps returning to: is there enough credible documentation to support the position if it is examined? Clean energy credits carry meaningful substantiation and, for elective pay or transfer, registration requirements — the IRS requires an eligible taxpayer to complete pre-filing registration and include the registration number on the return for an elective payment or transfer election to be effective.

For a purchased credit under the transferability regime, the advisor examines the transfer registration, the seller's representations about qualification and basis, and the recapture and indemnity terms, since the buyer is relying on facts they did not create. For a directly earned or allocated credit, the advisor examines the project records, the entity's allocation, and the taxpayer's own basis and at-risk support.

The reliance question is where a review either holds together or does not. It is also why this resource routes every conclusion to your own CPA or tax attorney: the documentation has to be examined against your specific facts before anyone can responsibly rely on a credit.