Colorado Unemployment Insurance
General administration:
Department of Labor and Employment
633 17th Street, Suite 200
Denver, CO 80202-3660
303-318-8000
http://www.coworkforce.com/
Register as employer by filing Form CR 100 (Business Registration) online or download and mail to:
Colorado Department of Revenue
Denver, CO 80261-0013
303-318-9100 (Denver-metro area)
1-800-480-8299 (outside Denver-metro area)
Report quarterly wages and contributions by filing Form UITR-1(a) (Unemployment Insurance Report of Worker Wages) and Form UITR-1 (Unemployment Insurance Tax Report) by last day of month following end of quarter:
Colorado Department of Labor and Employment
Unemployment Insurance Tax
P. O. Box 8789
Denver, Co 80201-8789
303-318-9100
Or report online at
https://secure.cdle.state.co.us/wagetax/
Experience rating formula, base, and rates
Wage Base is
$10,000 for 2007 & 2008
Rates range from
0.3% to 5.4%
New employers use 3.1%
Does not include surcharge for benefits not charged
rating of 0.22%
