Skip to main content

Sales & Use Tax

The Sales and Use Tax practice provides strategic legal counsel to businesses navigating the complex and evolving landscape of state and local taxation. Attorneys and tax professionals in this area advise clients on compliance, audit defense, transactional planning, and risk mitigation related to the collection, reporting, and remittance of sales and use taxes across jurisdictions.

This practice supports companies across industries—particularly those operating in e-commerce, manufacturing, technology, retail, and distribution—helping them manage multistate tax obligations, minimize exposure, and maintain regulatory compliance in the post–Wayfair era.

Core services include:

  • Multistate Sales and Use Tax Compliance
    • Advising on nexus analysis, taxability determinations, exemption certificate management, and registration requirements in all 50 states and local jurisdictions.
  • Audit Defense and Controversy
    • Representing businesses in audits, administrative appeals, and litigation involving state departments of revenue. Managing audit preparation, document production, and negotiation of settlements or voluntary disclosures.
  • Transactional Structuring and Tax Planning
    • Structuring transactions—such as equipment leases, software licensing, and cross-border sales—to minimize sales and use tax liability. Analyzing bundling rules, sourcing regulations, and industry-specific exemptions.
  • Post–Wayfair Economic Nexus Advisory
    • Assisting remote sellers, SaaS providers, and online platforms in assessing and responding to economic nexus thresholds and marketplace facilitator rules under state laws.
  • Due Diligence and M&A Support
    • Conducting sales and use tax due diligence for acquisitions and reorganizations. Identifying exposure areas, advising on successor liability, and negotiating indemnification terms.
  • Tax Technology and Process Optimization
    • Advising on the implementation of automated tax calculation, exemption certificate management, and reporting systems (e.g., Avalara, Sovos, Vertex). Supporting internal tax teams in compliance program enhancements.
  • Legislative and Regulatory Monitoring
    • Monitoring state tax law developments and advising clients on changes in tax rates, definitions, exemptions, and administrative rules affecting business operations.

The following individuals practice in this area:

Jason Henderson

Jason Henderson

Senior Attorney; Sports & Entertainment & Streaming Media

Jason Henderson, Esq. is a corporate and transactional attorney with over twenty years of experience handling complex transactions in media and IP licensing and distribution as well as product counsel and service agreements for Fortune 500 companies. A Certified Information Privacy Professional (CIPP/US), Mr. Henderson is recognized for his expertise in technology and media personalization, and is listed as the inventor on several patents in streaming technology and real-time AI. Mr. Henderson earned his BA in History from the University of Dallas and his Juris Doctor from the Catholic University of America, Columbus School of Law. He currently serves as a commissioner with the Littleton Historical Preservation Commission. Beyond his legal practice, Mr. Henderson is the co-founder of Castle Bridge Media, publisher of the popular Castle of Horror Anthology series, has written for Electronic Arts and Marvel Comics, and has had multiple books optioned for film. Mr. Henderson’s practice focuses on the following: He can be reached via telephone at (866) 582-2586 and via email at JDH@jwlinternational.com.
Alexandra Ong

Alexandra Ong

Associate Attorney

Ms. Ong is a graduate of the University of Denver Sturm College of Law. A native of Fort Worth, Texas, she earned her Bachelor of Business Administration in Management and a Certificate in International Business Studies from Texas A&M University, graduating magna cum laude. Since joining JWL International in 2023, Ms. Ong has worked on a broad range of complex domestic and international business matters. She brings experience in manufacturer–dealer representation, business transactions, international legal research, regulatory analysis, and dispute resolution. Her work reflects a strong commitment to delivering thoughtful, business-oriented legal solutions. Ms. Ong’s practice focuses on the following: She can be reached via telephone at (866) 582-2586 and via email at ALO@jwlinternational.com.
James Waite

James Waite

Founder

James R. Waite, Esq. is a seasoned corporate and transactional attorney with over three decades of experience in the acquisition, sale, and leasing of businesses, equipment, and real estate. Throughout his career, Mr. Waite has held executive leadership roles—including General Counsel, Chief Executive Officer, Chief Financial Officer, and Chief Operating Officer—across a diverse range of industries, from aviation to equipment leasing. He is the author of the American Rental Association’s definitive guide on rental contracts and has contributed extensively to national and international publications such as Equipment World, RER Magazine, International Rental News, Rental Magazine, ForConstructionPros, and the Atlanta Journal-Constitution. Mr. Waite is also a frequent speaker at industry association conferences, where he shares insights on legal and operational best practices. A veteran of the United States Air Force, Mr. Waite holds a Bachelor of Business Administration in Finance from the University of Texas at San Antonio, a Juris Doctor from St. Mary’s University School of Law, and a Master of Business Administration from Northwestern University. Mr. Waite’s practice focuses on the following: He can be reached via telephone at (866) 582-2586 and via email at JRW@jwlinternational.com.
Jim Margner

Jim Margner

Senior Tax Consultant

Jim Margner, CPA is a senior tax advisor with over 50 years of experience in federal, state, and multistate taxation. A licensed Certified Public Accountant in Illinois, Mr. Margner is a cum laude graduate of Western Kentucky University with a Bachelor of Science in Business and Economics, and holds a Master of Business Administration with a concentration in accounting and taxation from the Indiana University Kelley School of Business. Since 1995, he has focused exclusively on multistate and local tax consulting. Mr. Margner’s career includes roles with two Chicago-based Fortune 100 companies, several national and regional accounting firms, and a prominent family office serving a multi-billionaire financier. He later founded his own boutique multistate tax consulting practice, advising a wide range of public and privately held businesses across industries including manufacturing, distribution, software, transportation, financial services, healthcare, real estate, and cloud-based technologies. He is recognized for his deep expertise in multistate income and sales/use tax matters, including Wayfair-related compliance, transactional tax planning, nexus reviews, voluntary disclosures, due diligence for mergers and acquisitions, and audit defense. His consulting work spans corporate, pass-through, and personal income tax issues, including residency studies and legal entity restructuring. Mr. Margner is a frequent speaker at professional conferences, including those hosted by the Illinois CPA Society, Tax Executives Institute, and the Illinois Equipment Dealers Association. His published work has appeared in The Tax Advisor, Practice Advantage, and various trade association journals, particularly on Wayfair and drop-shipment tax issues. He is an active member of the Illinois CPA Society’s State & Local Tax Committee, where he provides quarterly updates on Illinois sales and use tax developments. Mr. Margner also serves on the Illinois Director’s Advisory Board, Audit Advisory Board, Process Advisory Board, and the Illinois Chamber of Commerce Tax Institute, and regularly attends technical seminars hosted by the Council on State Taxation (COST). He can be reached via email at info@jwlinternational.com.
Anthony Poulos

Anthony Poulos

Associate Attorney

Anthony J. Poulos, Esq., is an attorney specializing in corporate and litigation matters. With nearly a decade of experience, he has represented government agencies, corporations, and individuals in high-stakes disputes and complex transactions. A veteran of both the U.S. Coast Guard and the U.S. Army, Mr. Poulos served four years in the U.S. Coast Guard’s intelligence branch, with assignments across Central and South America. He later served in the U.S. Army’s Judge Advocate General’s Corps (JAG), in the 3rd Infantry Division, where he prosecuted numerous felony-level cases to verdict and provided strategic legal counsel to military commanders. He currently serves in the Army Reserves representing Officers and Soldiers in administrative separation proceedings. Prior to his legal career, he served seven years as a Boston police officer and was a member of the department’s SWAT Team. Today, he continues his commitment to public service as General Counsel for The 200 Club of the Coastal Empire, a nonprofit organization dedicated to supporting the families of fallen first responders. Outside of the office, Mr. Poulos enjoys volunteering in the local community, coaching his kids’ youth sports, reading, traveling, and spending time with his wife and two children. He is a member of the Vestry at St. Peter’s. Mr. Poulos holds a Bachelor of Arts from the University of Massachusetts-Amherst, a Juris Doctor from Suffolk University Law School, and an MBA from Columbia Southern University. He is admitted to practice law in Georgia and Massachusetts. Anthony can be reached via telephone at 866-582-2586 and via email at AJP@jwlinternational.com.

Meet With Us…

We negotiate, document, and provide follow-on legal services for equipment manufacturers, distributors, dealers, and lessors worldwide.

Over many years, our attorneys have successfully negotiated, documented, and closed a vast array of business transactions, including manufacturer-dealer relationships as well as business purchases, sales, leases, and financing transactions throughout North America and in over 20 countries.

To schedule a consultation with one of our experts, please complete form below.

"*" indicates required fields