What Is a Tax Credit Questionnaire and How Does It Work?

A tax credit questionnaire is an internal screening document that a business, or a third-party administrator working on its behalf, uses to collect the specific facts needed to decide whether the company qualifies for a particular tax credit before any amount is claimed on a return. It is not an IRS form. It sits one step earlier in the process: a structured intake that captures employee data, project descriptions, or asset details so the preparer can confirm eligibility and run the numbers against the right rules.

Most businesses encounter one through a third-party firm that specializes in identifying credits like the Work Opportunity Tax Credit (WOTC), the research credit under Section 41, or energy investment credits under Section 48. These firms typically work on contingency, taking a percentage of what they recover, and the questionnaire is their starting point. Whether the questionnaire is handled by an outside administrator or an in-house tax team, its contents are driven by what the specific credit requires.

Why the Questionnaire Exists

It does two things at once. First, it filters. The questions are written so that a disqualifying answer stops the process before anyone spends time pulling payroll detail, writing project narratives, or chasing invoices for a credit that was never going to survive review. Second, it creates a formal record that the taxpayer looked at eligibility carefully before filing.

That record matters later. If the IRS questions the claim, the main defense against accuracy-related penalties is reasonable cause and good faith, which the agency evaluates in part by looking at whether the taxpayer made a genuine effort to determine the correct liability before the return went in.¹ A questionnaire completed before filing, with answers that match the underlying records, is the kind of evidence that supports that defense. A questionnaire assembled afterward, or one whose answers contradict the source documents, undercuts it.

What a WOTC Questionnaire Collects

The Work Opportunity Tax Credit rewards employers for hiring from ten targeted groups, including qualified veterans, SNAP recipients, SSI recipients, individuals with felony convictions, long-term unemployment recipients, and TANF recipients.² A WOTC questionnaire is built to confirm two things about each new hire: that the person belongs to one of those groups, and that the wage and hours thresholds will be met.

The typical data points include:

Demographic information establishing membership in a targeted group, such as veteran status, public assistance history, or a prior felony conviction.
The hire date, which starts a 28-day clock. The employer must submit IRS Form 8850 to the state workforce agency within 28 calendar days of the employee’s start date to request certification. Miss that window and the credit is gone, with no retroactive fix.³⁴
Hours worked in the first year. At 400 or more hours, the credit is 40% of qualified first-year wages. Between 120 and 399 hours, it drops to 25%. Below 120 hours, there is no credit.⁵
Qualified first-year wages, subject to a cap that depends on the targeted group. For most groups, the first $6,000 counts, producing a maximum credit of $2,400 per employee. For certain qualified veterans, up to $24,000 counts, pushing the maximum to $9,600.⁵

The 28-day certification deadline is the detail that trips up employers who treat WOTC as a tax-season project. The questionnaire has to be built into onboarding so the hire date and demographic information are captured on day one. By the time payroll closes the first pay period, the window is already a quarter gone.

What an R&D Credit Questionnaire Collects

The research credit under Section 41 pays businesses for work that resolves technological uncertainty. The questionnaire splits into two parts: proving each project qualifies, and quantifying what the company spent on it.

Project Qualification

Under Section 41(d), an activity has to meet every part of a qualification test: the expenditures must be treated as research expenses, the work must aim to discover information that is technological in nature, the application must be intended to develop a new or improved business component, and substantially all of the activity must involve a process of experimentation for a qualifying purpose such as new functionality, improved performance, or better reliability. Work related to style, taste, or cosmetic design does not qualify.⁶

The questionnaire asks for a narrative on each project: what uncertainty existed, what alternatives the team considered, and what experimentation was performed to resolve it. This is where R&D claims most often collapse. Narratives reconstructed at tax time, with no contemporaneous project logs, design notes, or test records behind them, carry little weight if the claim is examined.

Qualified Research Expenses

Once a project clears the qualification test, the questionnaire turns to qualified research expenses, which fall into three categories: wages paid to employees performing qualified research, the cost of supplies consumed in the research, and 65% of amounts paid to outside contractors for research work.⁶ The questionnaire needs enough wage, supply, and contractor detail that the preparer can calculate the credit under either the regular method or the alternative simplified method and use whichever produces the larger benefit.

What an Energy Credit Questionnaire Collects

For investment credits under Section 48, the questionnaire shifts from people and projects to assets. The core data points are the purchase date, the date the property was placed in service, and the total installation and capital costs, along with documentation that the property meets the applicable performance and quality standards required for the credit.⁷ Many energy questionnaires also include prevailing wage and apprenticeship compliance questions, because failing those labor requirements can cut the credit to one-fifth of the full amount.

How the Questionnaire Data Reaches the Return

Once the questionnaire is complete, the reviewer cross-references the answers against source documents like payroll records, state workforce agency certification letters, invoices, and project logs. Answers that do not match the records get fixed before any number is calculated.

The verified data then feeds the credit-specific IRS forms. WOTC amounts go on Form 5884. R&D credit amounts go on Form 6765.⁸⁹ Both roll into Form 3800, the General Business Credit, which aggregates business credits into the total that reduces tax liability on the entity’s return, typically Form 1120 for corporations or Form 1065 for partnerships.¹⁰¹¹ Unused general business credits can generally be carried back one year and carried forward up to 20 years.¹²

Why Accuracy on the Questionnaire Matters

A sloppy or incomplete questionnaire does not just risk losing the credit. It can lead to penalties larger than the credit itself.

Section 6662 imposes a 20% accuracy-related penalty on an underpayment attributable to negligence or a substantial understatement of tax. For individuals, a substantial understatement means an error that exceeds the greater of $5,000 or 10% of the tax that should have been shown on the return. For corporations other than S corporations, the threshold is the lesser of 10% of the required tax (or $10,000, whichever is greater) and $10 million.¹³

When fraud is involved, Section 6663 raises the penalty to 75% of the underpayment attributable to the fraudulent conduct. The IRS has to prove fraud, but once any portion of the underpayment is shown to be fraudulent, the whole underpayment is treated as fraudulent unless the taxpayer proves otherwise.¹⁴

The reasonable cause and good faith defense is where a properly executed questionnaire pays off. The IRS looks at the taxpayer’s overall effort to determine the right liability, including the reasonableness of any reliance on professional advice.¹ A questionnaire whose answers are grounded in contemporaneous records, completed before the return is filed, supports that defense. One built around guesses, or one that disagrees with the source documents, does the opposite.

Keeping the Records Behind the Questionnaire

The questionnaire itself is a summary. Its value depends on whether the underlying records still exist when someone asks for them. That means certified payroll, WOTC certification letters from the state workforce agency, vendor invoices, and project logs with real-time detail about research activities.

The general rule is to keep records for at least three years from the date the return was filed or its due date, whichever is later.¹⁵ Because unused general business credits can be carried forward up to 20 years, documentation for the original credit year needs to survive until three years after the return that finally uses the carryforward. The burden of proof is on the taxpayer, and losing the records during an examination has the same practical effect as never having qualified at all.¹⁶

1
eCFR. 26 CFR 1.6664-4 – Reasonable Cause and Good Faith Exception to Section 6662 Penalties
2
U.S. Department of Labor. Work Opportunity Tax Credit
3
U.S. Department of Labor. How to File a WOTC Certification Request
4
Internal Revenue Service. Employers Should Certify Employees Before Claiming the Work Opportunity Tax Credit
5
Internal Revenue Service. Work Opportunity Tax Credit
6
Office of the Law Revision Counsel. 26 U.S. Code 41 – Credit for Increasing Research Activities
7
Office of the Law Revision Counsel. 26 U.S. Code 48 – Energy Credit
8
Internal Revenue Service. About Form 5884, Work Opportunity Credit
9
Internal Revenue Service. About Form 6765, Credit for Increasing Research Activities
10
Internal Revenue Service. About Form 1120
11
Internal Revenue Service. About Form 1065, U.S. Return of Partnership Income
12
Internal Revenue Service. Instructions for Form 3800 and Schedule A
13
Office of the Law Revision Counsel. 26 USC 6662 – Imposition of Accuracy-Related Penalty on Underpayments
14
Office of the Law Revision Counsel. 26 USC 6663 – Imposition of Fraud Penalty
15
Internal Revenue Service. How Long Should I Keep Records
16
Internal Revenue Service. Topic No. 305, Recordkeeping