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The R&D 4-Part Test: How to Determine Eligibility for the Research & Development Tax Credit

Source Advisors May 7, 2026

The Research & Development (R&D) Tax Credit is one of the most valuable tax incentives available to businesses investing in innovation. However, not every project qualifies. To determine eligibility, the IRS applies a framework known as the R&D 4-Part Test under Internal Revenue Code (IRC) Section 41. Understanding how this test works is essential for identifying qualifying activities, supporting documentation

R&D

The R&D 4-Part Test: How to Determine Eligibility for the Research & Development Tax Credit

Source Advisors May 7, 2026

washington business people working at table with laptop

Sales & Use Tax

What is a Reverse Sales & Use Tax Audit?

A Reverse Sales & Use Tax Audit (RSUTA) is a structured review of prior period purchase activity designed to identify and recover Sales & Use Tax overpayments as opposed to the traditional focus on underpayments in state audits. Whereas State initiated audits are aimed at detecting underpayments and assessing additional

Kamal Shah, CPA April 16, 2026

R&D

The R&D 4-Part Test: How to Determine Eligibility for the Research & Development Tax Credit

The Research & Development (R&D) Tax Credit is one of the most valuable tax incentives available to businesses investing in

Source Advisors May 7, 2026

Sales & Use Tax

What is a Reverse Sales & Use Tax Audit?

A Reverse Sales & Use Tax Audit (RSUTA) is a structured review of prior period purchase activity designed to identify

Kamal Shah, CPA April 16, 2026

Sales & Use Tax

What is Washington Business & Occupational (B&O) Tax?

Washington Business & Occupation (B&O) Tax is a tax imposed by the state of Washington on the privilege of doing

Jaclyn Harris January 14, 2026

R&D

Navigating the R&D Tax Credit: Internal Use Software

Internal Use Software (IUS) includes software applications, operating systems and related resources used to run a business and serve customers.

David Finley June 1, 2020

R&D

Does the Research Credit Provide a Dollar for Dollar Cash Savings of Federal Income Tax?

Companies can create a dollar-for-dollar reduction in their federal and state income tax liability. Some Benefits of the R&D Tax

Riz Malik May 5, 2020

What Research Activities do not Qualify for the R&D Credit?

How to Determine Qualified Research Expenses The IRS has established a four-part test that taxpayers must apply to each of

Riz Malik May 4, 2020

R&D

What Happens to Unused R&D Credits?

Unused R&D Tax Credits may still be available to eligible businesses if they file amended tax returns for the years in which

Deb Roth, CPA May 3, 2020

group of people working on research credits at table

R&D

Is There a Limit to the Amount of Research Credits that can be Claimed?

There is no set maximum amount that you can claim. If the federal R&D credit can’t be used immediately or

Riz Malik May 2, 2020

R&D

Is the R&D Credit a Refundable Credit?

The R&D Tax Credit is not refundable. If you don’t owe income tax or the credit is worth more than what you

Riz Malik May 1, 2020

R&D

IRS Extends R&D Tax Credit Claims Transition Period

What Does the IRS Extending the R&D Tax Credit Claims Transition Period Mean? The IRS extended the transition period for taxpayers to perfect their refund claims for R&D Tax Credits through January 10, 2024. Taxpayers are now provided 45 days to perfect a research credit claim for a refund prior

Rachel Bishop, CPA June 19, 2023

How to Make Your R&D Tax Credit Defensible

Make Your R&D Tax Credit Defensible Claiming the R&D tax credit can potentially help your business offset increased cash flow. However, simply completing IRS Form 6765, Credit For Increasing Research Activities, doesn’t guarantee the IRS will approve your claim. Learn a few key things you can do to ensure your

Deb Roth, CPA June 15, 2023

Cost Segregation

Energy

Sales & Use Tax

Sales & Use Tax

Benefits of Combining a Sales and Use Tax Refund Review With an Audit

When a state informs a company of an ensuing sales & use tax audit, there is always uncertainty and stress. The stress is caused by the concern about tying up the business’ resources and the fear of potential liability that may exist. Combining a Sales and use tax refund review

Jonathan Kraft May 10, 2023

Sales & Use Tax

Telecommunications and the Federal Universal Service Fund Fee

The Role of Telecommunications in the Federal Universal Service Fund Telecommunications companies operating in the United States are subject to the Federal Universal Service Fund (USF), a program administered by the Federal Communications Commission (FCC). The USF aims to promote access to telecommunications services for all Americans, regardless of location

Chris Vignone April 25, 2023