Grand Hyatt Denver
1750 Welton Street
Denver, CO  80202
(303) 295-1234

The Grand Hyatt is located 25 miles from Denver International Airport. Union Station is 1 mile from the Grand Hyatt.

Rooms have been reserved in a Council On State Taxation room block for $224 per night. Please make hotel reservations directly with the Grand Hyatt.

Online reservations can be made here: https://www.hyatt.com/en-US/group-booking/DENRD/G-COSN


Denver Airport Rail- Travelers can now use A Line, the new rail service from Denver International Airport to LoDo's (lower downtown) Union Station and back, courtesy of Regional Transportation District (RTD). 

The Denver airport rail has six stops along the way and takes approximately 37 minutes at a cost of $9 each way.

16th Street Shuttle – Runs throughout the central business and entertainment district of downtown Denver.

Light Rail Service/RTD – Stops at most corners in the city, including Invesco Field, Pepsi Center/Six Flags/Elitch Gardens, Union Station - Lower downtown (LODO)/Coors Field/16th Street Mall.


Registration for the Income Tax Conference is available now, or, in person, from 2:00 p.m. on Monday, April 25th through 12 noon on Thursday, April 28th.

This two and a half day conference combines technical and policy presentations from seasoned professionals focusing on current income and franchise tax issues.  In addition, COST’s primary audit session will take place, where current audit information on all 50 states is shared among the membership.  The conference is targeted to income and franchise tax professionals at all levels of experience.

Registration Fees:  


Before April 15, 2022

After April 15, 2022

COST Industry Member






 NOTE: Company must be a COST Industry Member to attend.

COVID-19 Safety Protocols at COST Meetings – All in-person attendees at COST meetings will be required to comply with current state, local, and meeting venue COVID-19 safety protocols as well as submit a health survey upon arrival at the meeting. COST will provide COVID-19 mitigation protocols in advance of the meeting, which may require unvaccinated attendees to wear a facemask while not eating, drinking, or social distancing, and/or a recommendation to wear a facemask for vaccinated attendees unless eating, drinking, or social distancing. Thank you for your understanding as we deal with the ever-changing COVID world.

COVID-19 Refund/Credit Policy for COST Meetings – COST will refund 100% of registration fees for registered attendees unable to attend a COST meeting in 2022 due to company COVID-19 travel restrictions in place at the time of the meeting. In addition, COST will issue an appropriate refund or credit for attendees unable to attend all or part of a COST meeting due to illness. COST will also allow substitute attendees if a registered attendee is unable to attend due to COVID-19 related issues.

Cancellation Fees:

A $50 cancellation fee will be imposed for cancellations received on or before April 15, 2022; cancellations after April 15th will not be refunded.

Your company must be in good standing with COST at time of registration and time of program in order for its employees to attend the Income Tax Conference & Audit Session.  For complaints and special refund policies you can contact Karen Galdamez (kgaldamez@cost.org), 202.484.5220.

Hotel Reservations:

Rooms have been reserved at a rate of $224 single/double (plus taxes). Please make your hotel reservations directly with the Grand Hyatt.

Online reservations can be made here: https://www.hyatt.com/en-US/group-booking/DENRD/G-COSN

We encourage you to make your room reservations early as rooms in the COST block and hotel will sell out. Note: April 1st is the room reservation cut-off date. Rooms at the group rate may not be available if the COST room block sells out prior to April 1st.

Continuing Education:

COST will assist you in applying for Continuing Education credit for the COST 2022 Income Tax Conference/Audit Session. COST is registered with the National Association of State Boards of Accountancy (NASBA) as a sponsor of continuing professional education on the National Registry of CPE Sponsors. State boards of accountancy have final authority on the acceptance of individual courses for CPE credit. Complaints regarding registered sponsors may be submitted to the National Registry of CPE Sponsors through its website: www.learningmarket.org.


April’s average high in Denver is in the mid-60’s and the average low is in the mid-30’s. Dress for the conference is business casual.  We encourage you to bring a sweater or jacket to the meeting as the meeting rooms tend to be on the cooler side.


By registering for COST’s conferences, workshops or schools, attendees hereby agree to allow COST to use any photos taken of them during the conference/workshop/school in news media, website, publications, articles, marketing pieces and etc.

For More Information: Please contact Karen Galdámez: KGaldamez@cost.org