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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

R&D

Wondering How to Offset Payroll Tax with R&D Tax Credits?

Qualified Small Business R&D Payroll Tax Credits Source Advisors often receives questions related to the R&D Tax Credit and how it can

Rachel Bishop, CPA January 21, 2021

R&D

Innovation Starts with One Small Step

Fifty years ago, the world was riveted to their television sets to see history in the making when the Apollo

Deb Roth, CPA January 21, 2021

R&D

Is Your A&E Firm Benefiting From R&D Tax Credits?

R&D Tax Credits for Engineering Firms Thousands of architectural and engineering (A&E) firms in the U.S. can benefit from research

Rachel Bishop, CPA January 21, 2021

R&D

Raise a Glass for R&D Tax Credits in the Craft Brewing Industry

Who knew the craft brewing industry would qualify for the research tax credit. Ask a Master Brewer about their unique

Source Advisors January 21, 2021

R&D

R&D Tax Credits for Software Development

Companies who develop software for sale or use by customers or third parties, or for operating equipment or products, or

Alex Pak January 21, 2021

R&D

Another Source of Cash From Government Tax

Many small and midsize businesses affected by COVID-19 are struggling to maintain their cashflow, operational capabilities, and internal research and

Source Advisors January 21, 2021

R&D

The IRS 4-Part Test for R&D Tax Credits Explained

The R&D 4-Part Test Imagine the 4-part test as a sturdy bridge connecting your R&D activities to tax credit rewards. Each part acts as a pillar, ensuring your project meets the eligibility criteria: Permitted Purpose – What Problem Are You Solving?The core of your R&D activity must be to develop

Alex Pak March 1, 2024

4 Mistakes You Might Be Making on Your R&D Tax Credit Claim

Are you making the most of your R&D tax credit claim? Here are four common mistakes that businesses often make when it comes to claiming their R&D tax credits. 1. Documentation Deficit: Leaving Money on the Table Robust documentation is the backbone of a successful claim. Keep detailed records of

Rachel Bishop, CPA February 13, 2024

Cost Segregation

Cost Seg

When Should a Cost Segregation Study be Performed?

There are several situations where a cost segregation study should be performed. A cost segregation study should be performed immediately after construction or acquisition or following major capital improvements (including leasehold improvements). The study can also be performed after a change in ownership, including inherited property and change in partnership

Raul Soto July 28, 2020

Cost Seg

Identifying a Quality Cost Segregation Study

What is Cost Segregation? Cost segregation is a highly beneficial and widely accepted tax compliance strategy utilized by commercial real estate owners and tenants to accelerate depreciation deductions, defer tax, and improve cash flow. Once used only by large accounting firms type accounting firms and the nation’s largest real estate owners,

John Gail July 26, 2020

Energy

Sales & Use Tax

Chicago Personal Property Lease Transaction Tax: Understanding SaaS in The City of Chicago

What is SaaS? Getting a grasp on Software as a Service (SaaS) and sales tax is, at times, complicated. This

Chris Vignone December 1, 2020

Sales & Use Tax

Understanding Marketplace Facilitator Laws in a Post Wayfair Ruling World

Post Wayfair Ruling Landscape Are you scratching your head over the new marketplace facilitator laws? If so, we don’t blame

Jaclyn Harris November 19, 2020

Sales & Use Tax

Top 3 Sales Tax Challenges for Real Estate Companies

The 3 Challenges When you think about real estate tax issues, in general, sales tax concerns do not rise to

Kamal Shah, CPA June 14, 2018

Sales & Use Tax

Refund of Tax Paid on Software Purchases

Refund of Tax Paid on Software Purchases by Companies Located Illinois, Massachusetts, New York, Pennsylvania, Washington or Utah The multiple points of use (“MPU”) exemption is a provision in sales and use tax laws designed to address situations where software is purchased for use in multiple jurisdictions. The MPU exemption

Kamal Shah, CPA March 13, 2024

Sales & Use Tax

Sales Tax Due Diligence in a Post Wayfair World

Over the past five years, sales tax awareness has increased amongst the private equity world as states have expanded their ability to tax remote sellers through economic and marketplace nexus rules. However, as a result of the South Dakota v. Wayfair, sales tax has worked its way to the top

Chris Vignone February 21, 2024