Who will e-file W2 in Colorado?
Employers with 250 or more W-2�s are required to file electronically.
Where to e-file Colorado?
Please go to www.Colorado.gov/RevenueOnline
How to generate Colorado electronic file?
Open ezW2, in "Current Company" tab, select "efile W2" -> Generate State Efile for Colorado.
What is included in Colorado electronic file?
ezW2 e-File includes RA, RE, RS, and RF records with 512 bytes for each record. RW, RO, RT RU and RV are optional.