Center on Budget and Policy Priorities. July 2020. Kris Cox, senior tax policy analyst at the Center on Budget and Policy Priorities (CBPP), urged Congress to pass a provision that allows taxpayers to use their earnings from 2019 or 2020 to calculate their EITC and Child Tax Credit for tax year 2020, which would benefit households that have lost income due to COVID-19. https://www.cbpp.org/blog/look-back-tax-change-would-help-working-families-economy