Photo by:  Terri Jukola, CDLE, Old Cabin Facing Mt. Elbert, Twin Lakes. CO

Due to the COVID-19 pandemic, our team has shifted to working remotely. Please contact the CORE Help Desk by email at

Let us know what you think! 

White mountain goat climbing rocks

Photo by Barb Sheppard, DPA, Taking a Leap, Mt. Evans

CORE Operations Team

Did you know that there is a highly skilled team of people that are available to help support issues with CORE, PB and infoAdvantage?  

Holiday Schedule

The CORE Support Center will be closed during the holidays below:

Monday, January 2, 2023 - New Year's Day

Monday, January 16, 2023 - Martin Luther King Jr. Day

Monday, February 20, 2023 - President's Day

Monday, May 29, 2023 - Memorial Day

Monday, June 19, 2023 - Juneteenth

Monday/Tuesday, July 3/4, 2023 - Independence Day

Monday, September 4, 2023 - Labor Day

Monday, October 2, 2023 - Frances Xavier Cabrini Day

Friday, November 10, 2023 - Veterans Day

Thursday, November 23, 2023 - Thanksgiving Day

Monday, December 25, 2023 - Christmas Day

CORE System Availability



During FYE, the CORE System will have extended availability during the week and on the weekend. There will also be extended User Support hours during Period 12 close and Period 13/14 close dates. 

Monthly Maintenance Windows

CORE Support Center

Need assistance? Contact the CORE Support Center:

Due to the COVID-19 pandemic, our team has shifted to working remotely 

Regular Hours:

Other Contacts


Colorado Vendor Self Service (VSS)

Performance Budgeting

Central Accounting and Vendor Management (CAVO)

Central Payroll Services  

Commercial Card Program 

Financial Services Unit (FSU) 



State Purchasing and Contracts Office