Tax Council POlicy InstituteThe Tax Council Policy Institute (TCPI), which was created in 1997, is a non-profit and non-partisan public policy research and educational organization. TCPI was created to help bring about a better understanding of significant federal tax policies that impact businesses and the national economy through careful study, thoughtful evaluation and open discussion. TCPI is affiliated with The Tax Council, an association established in 1966 for senior level tax professionals who work together to promote sound federal tax policies and a better understanding of our federal tax system.