Center on Budget and Policy Priorities. August 2020. Samantha Waxman, policy analyst at the Center on Budget and Policy Priorities (CBPP), encouraged other states to follow California and Colorado’s lead and expand their state Earned Income Tax Credits (EITCs) to immigrant workers who file using an Individual Taxpayer Identification Number (ITIN). https://www.cbpp.org/blog/states-should-follow-california-and-colorado-extend-eitc-to-more-immigrants