MultiTax Commission

An intergovernmental state tax agency whose mission is to promote uniform and consistent tax policy and administration among the states, assist taxpayers in achieving compliance with existing tax laws, and advocate for state and local sovereignty in the development of tax policy.

52nd Annual Meeting Week

Monday, August 5 – Thursday, August 8, 2019

The Grove Hotel – Downtown Boise
245 South Capitol Blvd.
Boise, Idaho 83702

Online registration for attending the 52nd Annual Meetings Week will not be available after Monday, July 22, 2019.  You may register for committee meetings, which are free, by contacting us at  Please put Committee Meetings Only in the subject line.

Registration for the Wednesday, August 7th events–which includes the morning seminars, luncheon and offsite reception and banquet–will not be available after July 22nd, so that we may finalize onsite logistics for the conference.  You may e-mail us to express your interest in attending.  Please put Waitlist in the subject line.  We will not know space availability until we’re onsite, so please check-in with us at onsite registration desk.

If you have any questions, or need further assistance, please email us at

Schedule of Events
NOTE: All times local (Mountain Time)



Day One
August 5

 8:30 am – 5:00 pm:  Training Session for State Attorneys

8:30 am – Noon: Nexus Committee,  Agenda

1:00 pm – 5:00 pm: Audit Committee,  Agenda

5:00 pm – 6:30 pm: Welcome Reception


Day Two

August 6

8:30 am – 10:00 am: Litigation Committee,  Agenda

10:15 am – 3:45 pm:  Uniformity Committee,  Agenda

4:00 pm – 5:00 pm: Strategic Planning Committee,  Agenda


Day Three

August 7

8:30 am – Noon: 52nd Annual Meeting Seminar 

We have an informative and enthusiastic lineup of speakers for the Annual Meeting Seminar in Boise, Idaho this year:

Federalism and the Roberts Court
Federalism, federal preemption, and the evolution of due process and the dormant commerce clause in the context of the latest Supreme Court cases such as CSX, Hyatt, Wayfair, Murphy, and other recent and pending cases.

           Helen Hecht, General Counsel, Multistate Tax Commission
            Joe Huddleston, Executive Director, EY LLP
            Scott Pattison, Principal, Pattison Strategies
            Shirley K. Sicilian, National Director of State and Local Tax Controversy, KPMG LLP

Modernizing State and Local Tax Bases and the Windy City Experience

  • Working within severe limits on local taxing authority
  • Taxation of digital products
  • Legal and public responses to modernization efforts  

           Brian A. Hamer, Counsel, Multistate Tax Commission
            Alana Stamas, Chief Legal Officer, Legal Services and Appeals, Iowa Dep’t of Revenue
            Marilyn A. Wethekam, Partner, Horwood Marcus & Berk Chtd. 

Compliance Pains: Taxpayer and Tax Administrator Relations

  • Working at working together
  • Frustrations for states, frustrations for taxpayers
  • Resolving differences 


           Holly Coon, Joint Audit Program Director, Multistate Tax Commission
            Jeffery A. Friedman, Partner, Eversheds Sutherland LLP
            Frank Hales, Auditing Division Director, Utah State Tax Commission

Noon – 1:30 pm: Luncheon

2:00 pm – 5:00 pm: Commission Annual Business Meeting,  Agenda

6:00 pm – 9:00 pm: Off-site Reception and Banquet at The Basque Market


Day Four

August 8

8:30 am – 11:30 am: Executive Committee Meeting,  Agenda


Hotel Information

Our room block at The Grove Hotel is sold out, and they are unable to provide us additional rooms at the government rate.  The good news is we have overflow space with Hotel43 with a rate of $159.00 per night. 

The Hotel43 is located at 981 West Grove Street, Boise, Idaho 83702.  Please be sure to reserve your room as soon as possible. You can make reservations by using the link below.

Please note:  Online Registration is encouraged as it helps the commission properly plan for the conference and committee meetings.  No registration fee is charged to attend committee meetings.  There is a registration fee for the annual seminar held on Wednesday, August 7.  For more information about fees for the 2019 Annual Meeting week,  please visit our 2019 Fees webpage. 


Statement Regarding Public Participation

Generally, meetings of the Commission and its Committees are public. Persons attending public sessions need not identify themselves.  However, some of the listed meetings may not be entirely public. Under the Commission’s Public Participation Policy, closed meetings may be held in matters involving certain personnel issues and the acquisition/disposition of real estate, matters required by law to be confidential, including discussion of certain taxpayer information, and some discussions with counsel over pending litigation.  For your convenience, you may choose to contact the General Counsel, at (202) 650-0300, for an indication of which of the listed meetings may not be entirely public. Your contact, which may be on an anonymous basis, also permits the Commission to provide adequate seating.


For more information concerning any meetings or events listed in this Calendar, please contact Bill Six, Director of Administration, at the Commission’s headquarters office (202) 650-0300.  Please note that there are no registration fees associated with attendance at meetings of the Multistate Tax Commission or its committees; however, registration fees are charged for the Annual Conference (and associated social events).