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Sales and Use Tax Fundamentals: Mastering Tax Base, Compliance, Nexus, and Other Essential Multistate Concepts

Recording of a 110-minute CPE webinar with Q&A

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Conducted on Thursday, January 5, 2023

Recorded event now available

or call 1-800-926-7926

This course will guide tax professionals and advisers on essential concepts and trends that tax staff must understand before they can effectively work on state and local sales and use tax compliance. The panel will discuss their thoughts on sales and use tax, sourcing transactions, marketplace facilitators, market-based sourcing rules, and revenue agency administration of sales taxes.


Tax staff cannot be useful and dependable in state and local sales and use tax compliance until they grasp the fundamental concepts, starting with the critical distinctions between a sales and use tax. That is only the start--tax staff must also understand the tenets of the four general types of sales taxes.

Other key challenges include the need to separate state sales tax on invoices, understand how destination and origin sourcing of transactions work, and grasp developments regarding market-based sourcing and different kinds of attributional nexus.

Tax staff should understand the impact of typical state approaches to filing frequency, e-filing and e-payment, exemptions and certificates, and vendor compensation. Such fundamentals will put tax staff on the right path with sales and use tax compliance.

Listen as our panel reviews and explains the key concepts with sales and use tax in a multistate context, provides key developments regarding market-based sourcing, and offers best practices in achieving and maintaining state sales and use tax compliance.



  1. Essential concepts of sales tax
    1. Sales tax vs. use tax
    2. Four types of taxes (seller privilege, consumer levy, transaction, gross receipts)
    3. Alternative vendor responses to sales taxes (shifting, absorption, separation)
  2. Sourcing transactions
  3. Nexus
  4. Sales tax exemptions
  5. Marketplace facilitators
  6. Revenue agency administration of sales tax
    1. Filing frequency
    2. E-filing
    3. E-payment
    4. Vendor compensation


The panel will drill into these and other essential aspects:

  • Understanding when a sales or use tax will apply and the differences between the types of sales taxes
  • Determining who is a marketplace facilitator
  • Grasping the meaning of important developments in sourcing
  • Identifying common sales tax exemptions and the need to present or collect, and verify, exemption certificates
  • Pinning down how states typically handle filing frequency, standard vs. e-filing, and payment options


Geiger, Joseph
Joseph F. Geiger, Jr., Esq., CPA

Consulting Tax Manager

Mr. Geiger works with the company's Tax Process Consulting Group and has more than 25 years of experience with...  |  Read More

Miles, Monika
Monika Miles

Miles Consulting Group

Ms. Miles focuses on multi-state tax consulting. She provides consulting services on sales and use tax, federal and...  |  Read More

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