Glossary

• Backup Withholding 

The Internal Revenue Service (IRS) requires that payers withhold taxes if you have submitted an incorrect Taxpayer Identification Number, Incorrect Name, or a combination of both.  This process is called Backup Withholding.   

• Colorado Vendor Self Service (ColoradoVSS):
  the vendor-facing component of the CORE system. Most State Agencies and many Institutions of Higher Education are posting solicitations for goods and services as well as construction notices in ColoradoVSS 

• Homepage:
  the screen after registered vendors sign in.

• Welcome Page
  the screen before vendors sign in (initial landing page)