Question 1: Please explain the difference between the commerce clause and the due process clause. Why are these two clauses so relevant in state and local tax cases? Please be specific and provide examples in your answer.

Question 2: South Dakota v. Wayfair has been called the "tax case of the millennium." Explain why this SCOTUS decision is so important for nexus purposes. Also, what issues were left unanswered by the decision.

Question 3: Discuss when a taxable sale occur for sales and use tax purposes. Who is liable for the tax? What common exemptions exist for sales and use tax? How exemption certificates work? In general, what compliance procedures exist in most states?

Question 4: For corporate income tax purposes, explain why many states are adopting market based sourcing for services?

Question 5: What is the importance of the Multistate Tax Compact , the Uniform Division of Income for Tax Purposes Act (UTIPTA) and the Streamlined Sales Tax Agreement